144-589: Porton Down is a science and defence technology campus in Wiltshire , England, just north-east of the village of Porton , near Salisbury . It is home to two British government facilities: a site of the Ministry of Defence 's Defence Science and Technology Laboratory – known for over 100 years as one of the UK's most secretive and controversial military research facilities, occupying 7,000 acres (2,800 ha) – and
288-628: A centre at Corsham Court in Corsham , and Oxford Brookes University maintains a minor campus in Swindon (almost 50 km from Oxford). Swindon is the UK's second largest centre of population (after Milton Keynes ) without its own university. Service Children's Education has its headquarters in Trenchard Lines in Upavon , Wiltshire. The county registered a population of 680,137 in
432-557: A few hours. Globally, at least 2,000 cases occur a year. The last fatal case of natural inhalational anthrax in the United States occurred in California in 1976, when a home weaver died after working with infected wool imported from Pakistan. To minimize the chance of spreading the disease, the body was transported to UCLA in a sealed plastic body bag within a sealed metal container for autopsy. Gastrointestinal anthrax
576-458: A first inquest and in May 2004, a second inquest into the death of Ronald Maddison during testing of the nerve agent sarin commenced after his relatives and their supporters had lobbied for many years, which found his death to have been unlawful. The Ministry of Defence challenged the verdict which was upheld and the government settled the case in 2006. In 2006, 500 veterans claimed they suffered from
720-466: A golden great bustard , which had been extinct in England since 1832 but is now the subject of a breeding programme on Salisbury Plain . It is surrounded by a green and white circle, representing the stone circles at Stonehenge and Avebury and also the six surrounding counties. The field consists of alternating green and white stripes, which reference the banner of arms of the council but also represent
864-400: A group of heroin injecting drug users. Anthrax, a bacterial disease caused by Bacillus anthracis , can have devastating effects on animals. It primarily affects herbivores such as cattle, sheep, and goats, but a wide range of mammals, birds, and even humans can also be susceptible. Infection typically occurs through the ingestion of spores in contaminated soil or plants. Once inside the host,
1008-451: A heptameric ring-shaped structure named a prepore. Once in this shape, the complex can competitively bind up to three EFs or LFs, forming a resistant complex. Receptor-mediated endocytosis occurs next, providing the newly formed toxic complex access to the interior of the host cell. The acidified environment within the endosome triggers the heptamer to release the LF and/or EF into the cytosol. It
1152-658: A large hutted camp with 50 officers and 1,100 other ranks. After the Armistice in 1918, Porton Down was reduced to a skeleton staff. In 1919, the War Office set up the Holland Committee to consider the future of chemical warfare and defence. By 1920, the Cabinet agreed to the committee's recommendation that work would continue at Porton Down. From that date a slow permanent building programme began, coupled with
1296-760: A league record points tally of 103. After Salisbury City went into liquidation in 2014, a new club, Salisbury , was formed in 2015 and will play in the National League South for the 24/25 season. Wiltshire County Cricket Club play in the Minor Counties league. Swindon Robins Speedway team, who competed in the top national division, the SGB Premiership , had been at their track at the Blunsdon Abbey Stadium near Swindon since 1949. In 2020 they stopped racing due to
1440-666: A nature park in Lonjsko Polje , a flood plain by the Sava river, died of anthrax and 6 people have been hospitalized with light, skin-related symptoms. In November 2008, a drum maker in the United Kingdom who worked with untreated animal skins died from anthrax. In December 2009, an outbreak of anthrax occurred among heroin addicts in the Glasgow and Stirling areas of Scotland, resulting in 14 deaths. The source of
1584-525: A pilot production facility commenced there in the early 1950s, producing about 20 tons from 1954 until 1956. It was intended as a stockpile and production facility for the UK's chemical defences during the Cold War , focussed on nerve agents, including small amounts of VX intended mainly for laboratory test purposes and to validate plant designs and optimise chemical processes for potential mass-production; full-scale production of VX agent never took place. In
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#17327832451151728-433: A proportion is caused orographically (uplift over hills). Autumn and winter are rainiest, caused by Atlantic depressions, which are then most active. Even so, any month can be the wettest or driest in a given year but the wettest is much more likely to be Oct-Mar, and the driest Apr-Sept. In summer, a greater proportion of the rainfall is caused by sun heating the ground leading to convection and to showers and thunderstorms. It
1872-521: A result of elections held in 2021, Wiltshire Council comprises 61 Conservatives , 27 Liberal Democrats , seven Independents and three Labour members. Swindon Borough Council has 34 Conservative councillors and 23 Labour members. Until the 2009 structural changes to local government , Wiltshire (apart from Swindon) was a two-level county, divided into four local government districts – Kennet , North Wiltshire , Salisbury and West Wiltshire – which existed alongside Wiltshire County Council , covering
2016-647: A scientist at the Microbiological Research Establishment, died from an accidental infection of the plague bacterium Yersinia pestis . In the same month an autoclave exploded, shattering two windows. Both incidents generated considerable media coverage at the time. In 1970, the senior establishment at Porton Down was renamed the Chemical Defence Establishment ( CDE ) for the next 21 years. Preoccupation with defence against nerve agents continued, but in
2160-626: A significant plot point in Episodes One and Two of the second season of ITV 's mystery series The Bletchley Circle . Experiments conducted at Porton Down also appear in the BBC detective drama Spooks , including the development of the VX Nerve Agent and other potentially deadly biological weapons. Porton Down is referenced frequently in the 2020 BBC TV drama The Salisbury Poisonings , portraying its role in testing substances linked to
2304-593: A site of the UK Health Security Agency . Since 2018, part of the campus has housed Porton Science Park, which is owned and operated by Wiltshire Council and has private sector companies in the health, life science and defence and security sectors. Porton Down is just north-east of the village of Porton , near Salisbury , in Wiltshire , England. To the north-west lies the MoD Boscombe Down airfield operated by Qinetiq . On some maps,
2448-437: A village pond. When confronted by the excise men they raked the surface to conceal the submerged contraband with ripples, and claimed that they were trying to rake in a large round cheese visible in the pond, really a reflection of the full moon. The officials took them for simple yokels or mad and left them alone, allowing them to continue with their illegal activities. Many villages claim the tale for their own village pond, but
2592-511: A weapon . It has been used in biowarfare and bioterrorism since 1914. In 1975, the Biological Weapons Convention prohibited the "development, production and stockpiling" of biological weapons. It has since been used in bioterrorism. Likely delivery methods of weaponized anthrax include aerial dispersal or dispersal through livestock; notable bioterrorism uses include the 2001 anthrax attacks and an incident in 1993 by
2736-399: A week after exposure, but may take up to 2 months. During the first few days of illness, most people have fever, chills, and fatigue. These symptoms may be accompanied by cough, shortness of breath, chest pain, and nausea or vomiting, making inhalation anthrax difficult to distinguish from influenza and community-acquired pneumonia . This is often described as the prodromal period. Over
2880-438: A young boy died from gastrointestinal anthrax due to the thawing of reindeer corpses from 75 years before contact. Anthrax spores traveled though groundwater used for drinking and caused tens of people to be hospitalized, largely children. Occupational exposure to infected animals or their products (such as skin, wool, and meat) is the usual pathway of exposure for humans. Workers exposed to dead animals and animal products are at
3024-592: Is a mystery. We really don't know why it happened." In 2007 two cases of cutaneous anthrax were reported in Danbury, Connecticut . The case involved a maker of traditional African-style drums who was working with a goat hide purchased from a dealer in New York City which had been previously cleared by Customs. While the hide was being scraped, a spider bite led to the spores entering the bloodstream. His son also became infected. In July 2022, dozens of cattle in
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#17327832451153168-569: Is also home to a University Technical College , UTC Swindon , specialising in engineering. A second UTC, South Wiltshire UTC , was based in Salisbury but closed in August 2020. Wiltshire is one of the few remaining English counties without a university or university college; the closest university to the county town of Trowbridge is the University of Bath . However, Bath Spa University has
3312-437: Is also possible. Legler, et al. showed that pegylated CapD (capsule depolymerase) could provide protection against 5 LD50 exposures to lethal Ames spores without the use of antibiotics, monoclonal antibodies, or vaccines. The CapD enzyme removes the poly-D-glutamate (PDGA) capsular material from the bacteria, rendering it susceptible to the innate immune responses. The unencapsulated bacteria can be cleared. Cutaneous anthrax
3456-597: Is an infection caused by the bacterium Bacillus anthracis . Infection typically occurs by contact with the skin , inhalation, or intestinal absorption. Symptom onset occurs between one day and more than two months after the infection is contracted. The skin form presents with a small blister with surrounding swelling that often turns into a painless ulcer with a black center. The inhalation form presents with fever, chest pain, and shortness of breath . The intestinal form presents with diarrhea (which may contain blood), abdominal pains, nausea, and vomiting. According to
3600-452: Is by breathing or eating or through an area of broken skin. It does not typically spread directly between people. Risk factors include people who work with animals or animal products, and military personnel. Diagnosis can be confirmed by finding antibodies or the toxin in the blood or by culture of a sample from the infected site. Anthrax vaccination is recommended for people at high risk of infection. Immunizing animals against anthrax
3744-413: Is crucial to prevent possible death. Many attempts have been made to develop new drugs against anthrax, but existing drugs are effective if treatment is started soon enough. In May 2009, Human Genome Sciences submitted a biologic license application (BLA, permission to market) for its new drug, raxibacumab (brand name ABthrax) intended for emergency treatment of inhaled anthrax. On 14 December 2012,
3888-401: Is dark and usually concentrated as a black dot, somewhat resembling bread mold) at the site of infection. In general, cutaneous infections form within the site of spore penetration two to five days after exposure. Unlike bruises or most other lesions, cutaneous anthrax infections normally do not cause pain. Nearby lymph nodes may become infected, reddened, swollen, and painful. A scab forms over
4032-403: Is distinctive in having a significantly higher number of people in various forms of manufacturing (especially electrical equipment and apparatus, food products, and beverages, furniture, rubber, pharmaceuticals , and plastic goods) than the national average. In addition, there is higher-than-average employment in public administration and defence , due to the military establishments around
4176-563: Is exceedingly rare in the United States, with only two cases on record. The first case was reported in 1942, according to the Centers for Disease Control and Prevention. During December 2009, the New Hampshire Department of Health and Human Services confirmed a case of gastrointestinal anthrax in an adult female. The CDC investigated the source and the possibility that it was contracted from an African drum recently used by
4320-512: Is extremely rare in industrialized nations. Cutaneous anthrax is the most common form of transmission but also the least dangerous of the three transmissions. Gastrointestinal anthrax is likely fatal if left untreated, but very rare. The spores of anthrax are able to survive in harsh conditions for decades or even centuries. Such spores can be found on all continents, including Antarctica. Disturbed grave sites of infected animals have been known to cause infection after 70 years. In one such event,
4464-497: Is frequent. In the summer the Azores high pressure affects south-west England; however, convective cloud sometimes forms inland, reducing the number of hours of sunshine. Annual sunshine rates are slightly less than the regional average of 1,600 hours. In December 1998, there were 20 days without sun recorded at Yeovilton (Somerset). Most of the rainfall in the south-west is caused by Atlantic depressions or by convection , though
Porton Down - Misplaced Pages Continue
4608-547: Is in a 1398 translation of Bartholomaeus Anglicus 's work De proprietatibus rerum ( On the Properties of Things , 1240). Anthrax was historically known by a wide variety of names, indicating its symptoms, location, and groups considered most vulnerable to infection. They include Siberian plague, Cumberland disease , charbon, splenic fever, malignant edema, woolsorter's disease and la maladie de Bradford . Cutaneous anthrax, also known as hide-porter's disease,
4752-821: Is ineffective in destroying spores and vegetative cells on surfaces, though formaldehyde is effective. Burning clothing is very effective in destroying spores. After decontamination, there is no need to immunize, treat, or isolate contacts of persons ill with anthrax unless they were also exposed to the same source of infection. Early antibiotic treatment of anthrax is essential; delay significantly lessens chances for survival. Treatment for anthrax infection and other bacterial infections includes large doses of intravenous and oral antibiotics, such as fluoroquinolones ( ciprofloxacin ), doxycycline , erythromycin , vancomycin , or penicillin . FDA-approved agents include ciprofloxacin, doxycycline, and penicillin. In possible cases of pulmonary anthrax, early antibiotic prophylaxis treatment
4896-459: Is involved with drug evaluation and efficacy testing (toxicology, pharmacology, physiology, behavioural science, human science), trauma and surgery studies, and animal breeding. The Physical Sciences department also uses animals in its "Armour Physics" research. Like other aspects of research at Porton Down, precise details of animal experiments are generally kept secret. Media reports have suggested they include exposing monkeys to anthrax , draining
5040-617: Is licensed by the FDA and was formerly administered in a six-dose primary series at 0, 2, 4 weeks and 6, 12, 18 months, with annual boosters to maintain immunity. In 2008, the FDA approved omitting the week-2 dose, resulting in the currently recommended five-dose series. This five-dose series is available to military personnel, scientists who work with anthrax and members of the public who do jobs which cause them to be at-risk. New second-generation vaccines currently being researched include recombinant live vaccines and recombinant subunit vaccines . In
5184-615: Is most common in Africa and central and southern Asia. It also occurs more regularly in Southern Europe than elsewhere on the continent and is uncommon in Northern Europe and North America. Globally, at least 2,000 cases occur a year, with about two cases a year in the United States. Skin infections represent more than 95% of cases. Without treatment the risk of death from skin anthrax is 23.7%. For intestinal infection
5328-535: Is often the northern half of the county that sees most of the showers with south-westerly winds in summer, whereas in the south of the county, the proximity of a relatively cold English Channel often inhibits showers. In autumn and winter, however, the sea is often relatively warm, compared with the air passing over it and can often lead to a higher rainfall in the south of the county (e.g. Salisbury recorded over 200mm of rain in Nov 2009 and January 2014). Average rainfall for
5472-420: Is rarely fatal if treated, because the infection area is limited to the skin, preventing the lethal factor , edema factor, and protective antigen from entering and destroying a vital organ . Without treatment, up to 20% of cutaneous skin infection cases progress to toxemia and death. Before 2001, fatality rates for inhalation anthrax were 90%; since then, they have fallen to 45%. People that progress to
5616-450: Is recommended in areas where previous infections have occurred. A two-month course of antibiotics such as ciprofloxacin , levofloxacin and doxycycline after exposure can also prevent infection. If infection occurs, treatment is with antibiotics and possibly antitoxin . The type and number of antibiotics used depend on the type of infection. Antitoxin is recommended for those with widespread infection. A rare disease, human anthrax
5760-759: Is represented in the Football League by Swindon Town , who play at the County Ground stadium near Swindon town centre. They joined the Football League on the creation of the Third Division in 1920, and have remained in the league ever since. Their most notable achievements include winning the Football League Cup in 1969 and the Anglo-Italian Cup in 1970, two successive promotions in 1986 and 1987 (taking them from
5904-502: Is the Ascoli test. Precautions are taken to avoid contact with the skin and any fluids exuded through natural body openings of a deceased body that is suspected of harboring anthrax. The body should be put in strict quarantine. A blood sample is collected and sealed in a container and analyzed in an approved laboratory to ascertain if anthrax is the cause of death. The body should be sealed in an airtight body bag and incinerated to prevent
Porton Down - Misplaced Pages Continue
6048-463: Is unknown how exactly the complex results in the death of the cell. Edema factor is a calmodulin -dependent adenylate cyclase . Adenylate cyclase catalyzes the conversion of ATP into cyclic AMP (cAMP) and pyrophosphate . The complexation of adenylate cyclase with calmodulin removes calmodulin from stimulating calcium-triggered signaling, thus inhibiting the immune response. To be specific, LF inactivates neutrophils (a type of phagocytic cell) by
6192-615: Is used for identification, then the medium must be incubated in 5% CO 2 . B. anthracis colonies are medium-large, gray, flat, and irregular with swirling projections, often referred to as having a " medusa head " appearance, and are not hemolytic on 5% sheep blood agar. The bacteria are not motile, susceptible to penicillin, and produce a wide zone of lecithinase on egg yolk agar. Confirmatory testing to identify B. anthracis includes gamma bacteriophage testing, indirect hemagglutination, and enzyme-linked immunosorbent assay to detect antibodies. The best confirmatory precipitation test for anthrax
6336-420: Is when anthrax occurs on the skin. It is the most common (>90% of cases) and least dangerous form (low mortality with treatment, 23.7% mortality without). Cutaneous anthrax presents as a boil -like skin lesion that eventually forms an ulcer with a black center ( eschar ). The black eschar often shows up as a large, painless, necrotic ulcer (beginning as an irritating and itchy skin lesion or blister that
6480-408: The 2011 Census . Wiltshire (outside Swindon) has a low population density of 1.4 persons per hectare, when compared against 4.1 for England as a whole. Historical population of Wiltshire county: At the 2016 European Union membership referendum , Wiltshire voted in favour of Brexit . Wiltshire is represented by eight Parliamentary constituencies . Seven are entirely within the county, while
6624-714: The Boer War , World War I and World War II. The Royal Wiltshire Yeomanry lives on as Y (RWY) Squadron, based in Swindon, and B (RWY) Squadron, based in Salisbury, of the Royal Wessex Yeomanry . Around 1800, the Kennet and Avon Canal was built through Wiltshire, providing a route for transporting cargoes from Bristol to London until the development of the Great Western Railway . Information on
6768-1176: The Defence Select Committee , told BBC News on 20 August 1999 that: I would not say that the Defence Committee is micro-managing either DERA or Porton Down. We visit it, but, with eleven members of Parliament and five staff covering a labyrinthine department like the Ministry of Defence and the Armed Forces, it would be quite erroneous of me and misleading for me to say that we know everything that's going on in Porton Down. It's too big for us to know, and secondly, there are many things happening there that I'm not even certain Ministers are fully aware of, let alone Parliamentarians. Dstl's Porton Down site conducts animal testing. The "three Rs" of "reduce" (the number of animals used), "refine" (animal procedures) and "replace" (animal tests with non-animal tests) are used as
6912-732: The Dorset Downs in the west to Dover in the east. The largest area of chalk in Wiltshire is Salisbury Plain , which is used mainly for arable agriculture and by the British Army as training ranges. The highest point in the county is the Tan Hill – Milk Hill ridge in the Pewsey Vale , just to the north of Salisbury Plain, at 295 m (968 ft) above sea level. The chalk uplands run north-east into West Berkshire in
7056-887: The Fourth Division to the Second ), promotion to the Premier League as Division One play-off winners in 1993 (as inaugural members), the Division Two title in 1996, and their promotion to League One in 2007 after finishing third in League Two . Chippenham Town is the area's highest-ranked non-league football club; they currently play in the National League South after winning the Southern Premier League in 2016/17, with
7200-672: The Gazette and Herald and Wiltshire Times . Places of interest in Wiltshire include: Areas of countryside in Wiltshire include: Roads running through Wiltshire include The Ridgeway , an ancient route, and Roman roads the Fosse Way , London to Bath road and Ermin Way . National Cycle Route 4 and the Thames Path , a modern long distance footpath , run through the county. Routes through Wiltshire include: Anthrax Anthrax
7344-616: The Marlborough Downs ridge, and south-west into Dorset as Cranborne Chase . Cranborne Chase, which straddles the border, has, like Salisbury Plain, yielded much Stone Age and Bronze Age archaeology . The Marlborough Downs are part of the North Wessex Downs AONB (Area of Outstanding Natural Beauty), a 1,730 km (670-square-mile) conservation area. In the north-west of the county, on the border with South Gloucestershire and Bath and North East Somerset ,
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#17327832451157488-653: The Microbiological Research Establishment ( MRE ). The Common Cold Unit (CCU) was sometimes confused with the MRE, with which it occasionally collaborated but was not officially connected. The CCU was at Harvard Hospital, Harnham Down, on the west side of Salisbury . When the Second World War ended, the advanced state of German technology regarding organophosphorus nerve agents such as tabun , sarin and soman , had surprised
7632-731: The South Cotswolds constituency extends into southern parts of Gloucestershire. At the 2024 general election , the Conservatives won three seats ( East Wiltshire , Salisbury , and South West Wiltshire ); Labour two ( Swindon North and Swindon South ); and the Liberal Democrats three ( Chippenham , Melksham and Devizes , and South Cotswolds). The ceremonial county of Wiltshire consists of two unitary authority areas, Wiltshire and Swindon, governed respectively by Wiltshire Council and Swindon Borough Council . As
7776-530: The Stonehenge and Avebury stone circles , which together are a UNESCO World Heritage Site , and other ancient landmarks. Much of the plain is a training area for the British Army . The city of Salisbury is notable for its medieval cathedral . Large country houses open to the public include Longleat , where there is also a safari park , and the National Trust 's Stourhead . The county, in
7920-417: The fulminant phase of inhalational anthrax nearly always die, with one case study showing a death rate of 97%. Anthrax meningoencephalitis is also nearly always fatal. Gastrointestinal anthrax infections can be treated, but usually result in fatality rates of 25% to 60%, depending upon how soon treatment commences. Injection anthrax is the rarest form of anthrax, and has only been seen to have occurred in
8064-543: The pericardial cavity , pleural cavity , and peritoneal cavity , lymph vessels, and blood vessels, causing vascular leakage of fluid and cells, and ultimately hypovolemic shock and septic shock. Various techniques may be used for the direct identification of B. anthracis in clinical material. Firstly, specimens may be Gram stained . Bacillus spp. are quite large in size (3 to 4 μm long), they may grow in long chains, and they stain Gram-positive. To confirm
8208-500: The " M4 corridor effect", which attracts business, and the attractiveness of its countryside, towns and villages. The northern part of the county is richer than the southern part, particularly since Swindon is home to national and international corporations such as Intel , Motorola , Patheon , Catalent (formerly known as Cardinal Health ), Becton-Dickinson , WHSmith , Early Learning Centre and Nationwide , with Dyson located in nearby Malmesbury . Wiltshire's employment structure
8352-631: The 17th century, English Civil War Wiltshire was largely Parliamentarian . The Battle of Roundway Down , a Royalist victory, was fought near Devizes . In 1794, it was decided at a meeting at the Bear Inn in Devizes to raise a body of ten independent troops of Yeomanry for the county of Wiltshire, which formed the basis for what would become the Royal Wiltshire Yeomanry , who served with distinction both at home and abroad, during
8496-636: The 1920s, the site switched to producing mustard gas products, starting with the HS variant and adding the HT variant in the 1930s, and also filling armaments. After WW2, the site also produced the nerve agent sarin for experimental purposes. The site closed in 1957, with much of the work transferring to Chemical Defence Establishment Nancekuke. This Royal Air Force site, built in 1940, was renamed Chemical Defence Establishment Nancekuke in July 1949. Manufacture of sarin in
8640-545: The 1970s and 1980s, the Establishment was also concerned with studying reported chemical warfare by Iraq against Iran and against its own Kurdish population. Porton Down was the laboratory where initial samples of the Ebola virus were sent in 1976 during the first confirmed outbreak of the disease in Africa. The laboratory now contains samples of some of the world's most aggressive pathogens, including Ebola, anthrax and
8784-511: The 2018 poisoning of Sergei and Yulia Skripal . Porton Down is referenced frequently in the ITV Trigger Point series, as the origin of a military grade explosive compound HMX-319 which is nicknamed "Her Majesty's Explosive". Grimbledon Down was a comic strip by British cartoonist Bill Tidy , published for many years by New Scientist . The strip was set in an ostensibly fictitious UK government research lab, referring to
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#17327832451158928-541: The 20th century the use of a modern product ( BioThrax ) to protect American troops against the use of anthrax in biological warfare was controversial. Preventive antibiotics are recommended in those who have been exposed. Early detection of sources of anthrax infection can allow preventive measures to be taken. In response to the anthrax attacks of October 2001 , the United States Postal Service (USPS) installed biodetection systems (BDSs) in their large-scale mail processing facilities. BDS response plans were formulated by
9072-414: The 261 civil parishes of Wiltshire is available at Wiltshire Council's Wiltshire Community History website which has maps, demographic data, historic and modern pictures and short histories. The local nickname for Wiltshire natives is " Moonrakers ". This originated from a story of smugglers who managed to foil the local Excise men by hiding their alcohol, possibly French brandy in barrels or kegs, in
9216-424: The 9th century written as Wiltunscir , is named after the former county town of Wilton . Wiltshire is notable for its pre- Roman archaeology . The Mesolithic , Neolithic and Bronze Age people that occupied southern Britain built settlements on the hills and downland that cover Wiltshire. Stonehenge and Avebury are perhaps the most famous Neolithic sites in the UK. In the 6th and 7th centuries Wiltshire
9360-454: The Allies at the time. To examine biological weapons, a highly secret separate department, called the Biology Department, Porton ( BDP ), was established within CDES in 1940, under veteran microbiologist Paul Fildes . Its focus included anthrax and botulinum toxin , and in 1942 it infamously carried out tests of an anthrax bio-weapon at Gruinard Island . In 1946, it was renamed the Microbiological Research Department ( MRD ) and, in 1957,
9504-450: The Allies, who were eager to capitalise on it. Subsequent research took the newly discovered German nerve agents as a starting point, and eventually VX nerve agent was developed at Porton Down in 1952. In the late 1940s and early 1950s, research and development at Porton Down was aimed at providing Britain with the means to arm itself with a modern nerve agent-based capability and to develop specific means of defence against these agents. In
9648-412: The Aum Shinrikyo group . The English name comes from anthrax ( ἄνθραξ ), the Greek word for coal, possibly having Egyptian etymology, because of the characteristic black skin lesions people with a cutaneous anthrax infection develop. The central black eschar surrounded by vivid red skin has long been recognised as typical of the disease. The first recorded use of the word "anthrax" in English
9792-400: The British Government sent biological warfare scientists to the Bahamas to release Venezuelan equine encephalitis viruses near an uninhabited island. Other research showed that, in the Obanaghoro region of southern Nigeria , four British scientific missions dispersed, and assessed the effect of, experimental nerve gases over a fifteen-month period. Historians were unable to determine who did
9936-400: The British armed forces in the First World War, such as chlorine , mustard gas , and phosgene . Work at Porton started in March 1916. At the time, only a few cottages and farm buildings were scattered on the downs at Porton and Idmiston . By May 1917, the focus for anti-gas defence and respirator development had moved from London to Porton Down, and by 1918, the original two huts had become
10080-405: The Covid-19 Pandemic and subsequently announced in 2022 that they would not be returning. Swindon Wildcats compete in the English Premier Ice Hockey League , the second tier of British ice hockey, and play their home games at Swindon's Link Centre . A flag to represent Wiltshire, the "Bustard Flag", was approved by a full meeting of Wiltshire Council on 1 December 2009. It depicts in the centre
10224-440: The MRE carried out trials in Lyme Bay in which live bacteria were sprayed from a ship to be carried ashore by the wind to simulate an anthrax attack. The bacteria sprayed were Bacillus globigii and Escherichia coli ; these were originally considered to be less dangerous than other bacterial strains, but it was later admitted that the bacteria could adversely affect some vulnerable people. The town of Weymouth lay downwind of
10368-475: The Poison by Peter Robinson , and the 2022 novel Tick Tock by Simon Mayo . Porton Down is featured in the 2022 psychological horror film The Sleep Experiment directed by John Farrelly . Two detectives begin an investigation into a disastrous secret military experiment where five prisoners were kept awake for thirty days in the facility. Porton Down and activities there during the 1940s and early 1950s were
10512-469: The U.S. Centers for Disease Control and Prevention , the first clinical descriptions of cutaneous anthrax were given by Maret in 1752 and Fournier in 1769. Before that, anthrax had been described only in historical accounts. The German scientist Robert Koch was the first to identify Bacillus anthracis as the bacterium that causes anthrax. Anthrax is spread by contact with the bacterium's spores , which often appear in infectious animal products. Contact
10656-879: The UK average in 1998, and was only marginally above the rate for South West England. Wiltshire has 30 county secondary schools, publicly funded, of which the largest is Warminster Kingdown , and eleven private secondaries, including Marlborough College , St Mary's Calne , Dauntsey's near Devizes , and Warminster School . The county schools are nearly all comprehensives , with the older pattern of education surviving only in Salisbury , which has two grammar schools ( South Wilts Grammar School and Bishop Wordsworth's School ) and three non-selective schools. There are four further education colleges, which also provide some higher education: New College (Swindon); Wiltshire College (Chippenham, Trowbridge and Salisbury); Salisbury Sixth Form College ; and Swindon College . Wiltshire
10800-594: The US National Institute for Occupational Safety and Health - and Mine Safety and Health Administration -approved high-efficiency respirator, is worn. By addressing Anthrax from a One Health perspective, we can reduce the risks of transmission and better protect both human and animal populations. The prevention of anthrax from the environmental sources like air, water, & soil is disinfection used by effective microorganisms through spraying, and bokashi mudballs mixed with effective microorganisms for
10944-654: The US Food and Drug Administration approved raxibacumab injection to treat inhalational anthrax. Raxibacumab is a monoclonal antibody that neutralizes toxins produced by B. anthracis . In March 2016, FDA approved a second anthrax treatment using a monoclonal antibody which neutralizes the toxins produced by B. anthracis . Obiltoxaximab is approved to treat inhalational anthrax in conjunction with appropriate antibacterial drugs, and for prevention when alternative therapies are not available or appropriate. Treatment of multi-drug resistant, antibody- or vaccine-resistant Anthrax
11088-518: The USPS in conjunction with local responders including fire, police, hospitals, and public health. Employees of these facilities have been educated about anthrax, response actions, and prophylactic medication. Because of the time delay inherent in getting final verification that anthrax has been used, prophylactic antibiotic treatment of possibly exposed personnel must be started as soon as possible. Anthrax cannot be spread from person to person, except in
11232-408: The air passages into the tiny air sacs (alveoli) in the lungs. The spores are then picked up by scavenger cells ( macrophages ) in the lungs and transported through small vessels ( lymphatics ) to the lymph nodes in the central chest cavity ( mediastinum ). Damage caused by the anthrax spores and bacilli to the central chest cavity can cause chest pain and difficulty breathing. Once in the lymph nodes,
11376-477: The anthrax disease is due to the bacterium's two principal virulence factors: the poly-D-glutamic acid capsule , which protects the bacterium from phagocytosis by host neutrophils; and the tripartite protein toxin, called anthrax toxin , consisting of protective antigen (PA), edema factor (EF), and lethal factor (LF). PA plus LF produces lethal toxin, and PA plus EF produces edema toxin. These toxins cause death and tissue swelling ( edema ), respectively. To enter
11520-554: The anthrax is believed to have been dilution of the heroin with bone meal in Afghanistan. Robert Koch , a German physician and scientist, first identified the bacterium that caused the anthrax disease in 1875 in Wollstein (now Wolsztyn, Poland). His pioneering work in the late 19th century was one of the first demonstrations that diseases could be caused by microbes . In a groundbreaking series of experiments, he uncovered
11664-437: The bacteria begin multiplying inside the animal or human and typically kill the host within a few days or weeks. The spores germinate at the site of entry into the tissues and then spread by the circulation to the lymphatics, where the bacteria multiply. The production of two powerful exotoxins and lethal toxin by the bacteria causes death. Veterinarians can often tell a possible anthrax-induced death by its sudden occurrence and
11808-435: The bacteria, and put them into a mouse. The bacterium normally rests in spore form in the soil, and can survive for decades in this state. Herbivores are often infected while grazing, especially when eating rough, irritant, or spiky vegetation; the vegetation has been hypothesized to cause wounds within the gastrointestinal tract, permitting entry of the bacterial spores into the tissues. Once ingested or placed in an open wound,
11952-481: The bacterium causing tuberculosis. Although Koch arguably made the greatest theoretical contribution to understanding anthrax, other researchers were more concerned with the practical questions of how to prevent the disease. In Britain, where anthrax affected workers in the wool, worsted , hides , and tanning industries, it was viewed with fear. John Henry Bell , a doctor born & based in Bradford , first made
12096-470: The basic code of practice. There has been a decrease in animal experimentation in recent years. Dstl complies with all UK legislation relating to animals. Animals used include mice , guinea pigs , rats , pigs, ferrets , sheep, and non-human primates (believed to be marmosets and rhesus macaque ). Publicly released figures are detailed below: Different departments at Porton Down use animal experiments in different ways. Dstl's Biomedical Sciences department
12240-582: The blood of pigs and injecting them with E. coli bacteria, and exposing animals to a variety of lethal, toxic nerve agents. Different animals are used for very different purposes. According to a 2002 report from the Animal Welfare Advisory Committee of the Ministry of Defence, mice are used mainly to research "the development of vaccines and treatments for microbial and viral infections", while pigs are used to "develop personal protective equipment to protect against blast injury to
12384-440: The body. No skin, especially if it has any wounds or scratches, should be exposed. Disposable personal protective equipment is preferable, but if not available, decontamination can be achieved by autoclaving. Used disposable equipment is burned and/or buried after use. All contaminated bedding or clothing is isolated in double plastic bags and treated as biohazard waste. Respiratory equipment capable of filtering small particles, such
12528-410: The cells, the edema and lethal factors use another protein produced by B. anthracis called protective antigen, which binds to two surface receptors on the host cell. A cell protease then cleaves PA into two fragments: PA 20 and PA 63 . PA 20 dissociates into the extracellular medium, playing no further role in the toxic cycle. PA 63 then oligomerizes with six other PA 63 fragments forming
12672-700: The centre of the county. The south-west is also downland, and contains the West Wiltshire Downs , the Vale of Wardour to their south, and part of Cranborne Chase in the far south of the county. The north-west of Wiltshire is part of the Cotswolds , a limestone area. The county's two major rivers are both called the Avon; the northern Avon enters the county in the north-west and flows in a south-westerly direction before leaving it near Bradford-on-Avon , and
12816-768: The chalk and grass of the county's downlands. The white can also represent peace, and the green joy, hope or safety. The flag has been registered in the flag registry of the vexillological charity the Flag Institute . Wiltshire has twenty-one towns and one city : A list of settlements is at List of places in Wiltshire . Local TV coverage is covered by BBC West and ITV West Country ; however, Swindon and Salisbury receive BBC South and ITV Meridian . The county's local radio stations are BBC Radio Wiltshire , Heart West , Greatest Hits Radio South West and Greatest Hits Radio South (covering Salisbury and surrounding areas). County-wide local newspapers are
12960-474: The chalk into Greensand and Oxford Clay in the centre of the county. In the south west of the county is the Vale of Wardour . The south-east of the county lies on the sandy soils of the northernmost area of the New Forest . Chalk is a porous rock, so the chalk hills have little surface water. The main settlements in the county are therefore situated at wet points. Notably, Salisbury is situated between
13104-489: The chalk of Salisbury Plain and marshy flood plains. The county has a green belt mainly along its western fringes as a part of the extensive Avon Green Belt . It reaches as far as the outskirts of Rudloe/ Corsham and Trowbridge, preventing urban sprawl particularly from the latter in the direction of Bradford-on-Avon , and affording further protection to surrounding villages and towns from Bath in Somerset. Along with
13248-498: The city of Salisbury (41,820) and the towns of Chippenham (37,548) and Trowbridge (37,169). For local government purposes the county comprises two unitary authority areas, Swindon and Wiltshire . Undulating chalk downlands characterize much of the county. In the east are Marlborough Downs , which contain Savernake Forest . To the south is the Vale of Pewsey , which separates the downs from Salisbury Plain in
13392-891: The contaminated waterways. Vaccines against anthrax for use in livestock and humans have had a prominent place in the history of medicine. The French scientist Louis Pasteur developed the first effective vaccine in 1881. Human anthrax vaccines were developed by the Soviet Union in the late 1930s and in the US and UK in the 1950s. The current FDA-approved US vaccine was formulated in the 1960s. Currently administered human anthrax vaccines include acellular subunit vaccine (United States) and live vaccine (Russia) varieties. All currently used anthrax vaccines show considerable local and general reactogenicity ( erythema , induration , soreness , fever ) and serious adverse reactions occur in about 1% of recipients. The American product, BioThrax,
13536-528: The continuing problem of industrial anthrax. His work in this capacity, much of it collaboration with the factory inspector G. Elmhirst Duckering , led directly to the Anthrax Prevention Act (1919). Anthrax posed a major economic challenge in France and elsewhere during the 19th century. Horses, cattle, and sheep were particularly vulnerable, and national funds were set aside to investigate
13680-486: The controversial Porton Down biochemical research facility. "Porton Down" is the name of a song by Peter Hammill . The song "Jeopardy" by Skyclad is about the experiments developed in Porton Down. Wiltshire Wiltshire ( / ˈ w ɪ l t . ʃ ər , - ʃ ɪr / ; abbreviated to Wilts ) is a ceremonial county in South West England . It borders Gloucestershire to the north, Oxfordshire to
13824-506: The county is around 800 mm (31 in), drier parts averaging 700mm (28ins)and the wettest 900mm (around 35ins). About 8–15 days of snowfall is typical. November to March have the highest mean wind speeds, and June to August have the lightest winds. The predominant wind direction is from the south-west. This is a chart of trend of regional gross value added (GVA) of Wiltshire at current basic prices with figures in millions of British Pounds Sterling. The Wiltshire economy benefits from
13968-747: The county, particularly around Amesbury and Corsham . There are sizeable British Army barracks at Tidworth , Bulford and Warminster , and the Royal School of Artillery is at Larkhill. Further north, RAF Lyneham was home to the RAF's Hercules C130 fleet until 2011; the MoD Lyneham site is now a centre for Army technical training. Wiltshire is also distinctive for the high proportion of its working-age population who are economically active (86.6% in 1999–2000) and its low unemployment rates . The gross domestic product (GDP) level in Wiltshire did not reach
14112-700: The dark, nonclotting blood that oozes from the body orifices. Most anthrax bacteria inside the body after death are outcompeted and destroyed by anaerobic bacteria within minutes to hours post mortem , but anthrax vegetative bacteria that escape the body via oozing blood or opening the carcass may form hardy spores. These vegetative bacteria are not contagious. One spore forms per vegetative bacterium. The triggers for spore formation are not known, but oxygen tension and lack of nutrients may play roles. Once formed, these spores are very hard to eradicate. The infection of herbivores (and occasionally humans) by inhalation normally begins with inhaled spores being transported through
14256-420: The disease is fatal to the person's body, its mass of anthrax bacilli becomes a potential source of infection to others and special precautions should be used to prevent further contamination. Pulmonary anthrax, if left untreated, is almost always fatal. Historically, pulmonary anthrax was called woolsorters' disease because it was an occupational hazard for people who sorted wool . Today, this form of infection
14400-425: The end these aims came to nothing on the offensive side because of the decision to abandon any sort of British chemical warfare capability in favour of nuclear weapons. On the defensive side there were years of difficult work to develop the means of prophylaxis, therapy, rapid detection and identification, decontamination, and more effective protection of the body against nerve agents, capable of exerting effects through
14544-455: The experiments. In February 2006, three ex-servicemen were awarded compensation in an out-of-court settlement after they had claimed they were given LSD without their consent during the 1950s. In 2008, the MoD paid 360 veterans of the tests £3m without admitting liability. Most of the work carried out at Porton Down has to date remained secret. Bruce George , Member of Parliament and Chairman of
14688-448: The extremely hazardous work of "hand-charging" weapons containing the nerve agents, while the effects on the local population and the extent of soil contamination are also unknown. Porton Down has been involved in human testing at various points throughout the Ministry of Defence's use of the site. Up to 20,000 people took part in various trials from 1949 up to 1989: From 1999 until 2006, it was investigated under Operation Antler . In 2002
14832-433: The first stage. Symptoms include high fever, extreme shortness of breath, shock, and rapid death within 48 hours in fatal cases. Gastrointestinal (GI) infection is most often caused by consuming anthrax-infected meat and is characterized by diarrhea, potentially with blood, abdominal pains, acute inflammation of the intestinal tract, and loss of appetite. Occasional vomiting of blood can occur. Lesions have been found in
14976-427: The fulminant phase of illness. It infects the lymph nodes in the chest first, rather than the lungs themselves, a condition called hemorrhagic mediastinitis , causing bloody fluid to accumulate in the chest cavity, thereby causing shortness of breath. The second (pneumonia) stage occurs when the infection spreads from the lymph nodes to the lungs. Symptoms of the second stage develop suddenly within hours or days after
15120-410: The gradual recruitment of civilian scientists. By 1922, there were 380 servicemen, 23 scientific and technical civil servants, and 25 "civilian subordinates". In 1923 the newly formed Silver Star Motor Services started a bus service to link Salisbury and Porton Down. By 1925, the civilian staff had doubled. By 1926, the chemical defence aspects of Air Raid Precautions (ARP) for the civilian population
15264-529: The highest risk, especially in countries where anthrax is more common. Anthrax in livestock grazing on open range where they mix with wild animals still occasionally occurs in the U.S. and elsewhere. Many workers who deal with wool and animal hides are routinely exposed to low levels of anthrax spores, but most exposure levels are not sufficient to produce infection. A lethal infection is reported to result from inhalation of about 10,000–20,000 spores, though this dose varies among host species. The lethality of
15408-423: The intestines and in the mouth and throat. After the bacterium invades the gastrointestinal system, it spreads to the bloodstream and throughout the body, while continuing to make toxins. Bacillus anthracis is a rod-shaped, Gram-positive , facultative anaerobe bacterium about 1 by 9 μm in size. It was shown to cause disease by Robert Koch in 1876 when he took a blood sample from an infected cow, isolated
15552-586: The land surrounding the complex is identified as a "Danger Area". Porton Down opened in 1916 as the War Department Experimental Station , shortly thereafter renamed the Royal Engineers Experimental Station , for testing chemical weapons in response to German use of this means of war in 1915. The laboratory's remit was to conduct research and development regarding chemical weapons agents used by
15696-403: The late 1950s, the chemical weapons production plant was mothballed, but was maintained through the 1960s and 1970s in a state whereby production could easily re-commence if required. A few small scientific start-ups were allowed to use buildings on the Porton Down campus from the mid-1990s. Tetricus Science Park has housed companies including and GW Pharmaceuticals . In 2014, an expansion plan
15840-438: The lesion soon, and falls off in a few weeks. Complete recovery may take longer. Cutaneous anthrax is typically caused when B. anthracis spores enter through cuts on the skin. This form is found most commonly when humans handle infected animals and/or animal products. In December 2009, an outbreak of anthrax occurred among injecting heroin users in the Glasgow and Stirling areas of Scotland, resulting in 14 deaths. It
15984-468: The lifecycle and means of transmission of anthrax. His experiments not only helped create an understanding of anthrax but also helped elucidate the role of microbes in causing illness at a time when debates still took place over spontaneous generation versus cell theory . Koch went on to study the mechanisms of other diseases and won the 1905 Nobel Prize in Physiology or Medicine for his discovery of
16128-573: The link between the mysterious and deadly "woolsorter's disease" and anthrax, showing in 1878 that they were one and the same. In the early 20th century, Friederich Wilhelm Eurich , the German bacteriologist who settled in Bradford with his family as a child, carried out important research for the local Anthrax Investigation Board. Eurich also made valuable contributions to a Home Office Departmental Committee of Inquiry, established in 1913 to address
16272-421: The next day or so, shortness of breath, cough, and chest pain become more common, and complaints not involving the chest such as nausea, vomiting, altered mental status, sweats, and headache develop in one-third or more of people. Upper respiratory tract symptoms occur in only a quarter of people, and muscle pains are rare. Altered mental status or shortness of breath generally brings people to healthcare and marks
16416-426: The north-east, Berkshire to the east, Hampshire to the south-east, Dorset to the south, and Somerset to the west. The largest settlement is Swindon , and Trowbridge is the county town . The county has an area of 3,485 km (1,346 square miles) and a population of 720,060. The county is mostly rural, and the centre and south-west are sparsely populated. After Swindon (183,638), the largest settlements are
16560-589: The organism is B. anthracis , rapid diagnostic techniques such as polymerase chain reaction -based assays and immunofluorescence microscopy may be used. All Bacillus species grow well on 5% sheep blood agar and other routine culture media. Polymyxin-lysozyme-EDTA-thallous acetate can be used to isolate B. anthracis from contaminated specimens, and bicarbonate agar is used as an identification method to induce capsule formation. Bacillus spp. usually grow within 24 hours of incubation at 35 °C, in ambient air (room temperature) or in 5% CO 2 . If bicarbonate agar
16704-586: The original military establishment under the Ministry of Defence, and the site to the south under the Department of Health, which had been opened in 1951 for the Microbiological Research Establishment, then in 1979 transferred to the Ministry of Health to focus on public health research, with the Defence aspects returning to the then-titled Chemical Defence Establishment. A factory in Sutton Oak, St Helens
16848-500: The plague, and is leading the UK's current research into viral inoculations. Until 2001, the military installations based at Porton Down were part of the UK government's Defence Evaluation and Research Agency (DERA). DERA was to be split into two parts: QinetiQ , initially a government-owned company; and, the Defence Science and Technology Laboratory (Dstl), created to incorporate the activities of DERA deemed unsuitable for
16992-583: The possession of the crown and the church. At the time of the Domesday Survey , the industry of Wiltshire was largely agricultural; 390 mills are mentioned, and vineyards at Tollard and Lacock. In the succeeding centuries sheep-farming was vigorously pursued, and the Cistercian monastery of Stanley exported wool to the Florentine and Flemish markets in the 13th and 14th centuries. In
17136-556: The primary agents of tissue destruction, bleeding, and death of the host. If antibiotics are administered too late, even if the antibiotics eradicate the bacteria, some hosts still die of toxemia because the toxins produced by the bacilli remain in their systems at lethal dose levels. Anthrax can enter the human body through the intestines (gastrointestinal), lungs (pulmonary), or skin (cutaneous), and causes distinct clinical symptoms based on its site of entry. Anthrax does not usually spread from an infected human to an uninfected human. If
17280-491: The privatisation planned for QinetiQ; particularly the Porton Down site. In 2013, Dstl scientists tested samples from Syria for sarin, which is still manufactured there, to assess soldiers' equipment. In April 2018, Porton Down was responsible for analysis of the substance used in the nearby Salisbury poisonings , which was ultimately identified by Dstl as a Novichok nerve agent. The location's government use has been split into two separately controlled locations since 1979:
17424-617: The process just described so they cannot phagocytose bacteria. Throughout history, lethal factor was presumed to cause macrophages to make TNF-alpha and interleukin 1 beta (IL1B). TNF-alpha is a cytokine whose primary role is to regulate immune cells, as well as to induce inflammation and apoptosis or programmed cell death. Interleukin 1 beta is another cytokine that also regulates inflammation and apoptosis. The overproduction of TNF-alpha and IL1B ultimately leads to septic shock and death. However, recent evidence indicates anthrax also targets endothelial cells that line serious cavities such as
17568-627: The production of a vaccine . French scientist Louis Pasteur was charged with the production of a vaccine, following his successful work in developing methods that helped to protect the important wine and silk industries. In May 1881, Pasteur – in collaboration with his assistants Jean-Joseph Henri Toussaint , Émile Roux and others – performed a public experiment at Pouilly-le-Fort to demonstrate his concept of vaccination. He prepared two groups of 25 sheep , one goat , and several cattle . The animals of one group were twice injected with an anthrax vaccine prepared by Pasteur, at an interval of 15 days;
17712-443: The rare case of skin exudates from cutaneous anthrax. However, a person's clothing and body may be contaminated with anthrax spores. Effective decontamination of people can be accomplished by a thorough wash-down with antimicrobial soap and water. Wastewater is treated with bleach or another antimicrobial agent. Effective decontamination of articles can be accomplished by boiling them in water for 30 minutes or longer. Chlorine bleach
17856-590: The rest of South West England , Wiltshire has a temperate climate which is generally wetter and milder than counties further east. The annual mean temperature is approximately 10 °C (50.0 °F). Although there is a marked maritime influence, this is generally rather less pronounced than it is for other south-western counties, which are closer to the sea. July and August are the warmest months with mean daily maxima of approximately 22 °C (71.6 °F). In winter mean minimum temperatures of 1 °C (33.8 °F) or 2 °C (35.6 °F) are usual and air frost
18000-429: The risk of death is 25 to 75%, while respiratory anthrax has a mortality of 50 to 80%, even with treatment. Until the 20th century anthrax infections killed hundreds of thousands of people and animals each year. In herbivorous animals infection occurs when they eat or breathe in the spores while grazing. Animals may become infected by killing and/or eating infected animals. Several countries have developed anthrax as
18144-464: The same area and carrying out more strategic tasks, such as education and county roads. However, on 1 April 2009 these five local authorities were merged into a single unitary authority called Wiltshire Council. With the abolition of the District of Salisbury, a new Salisbury City Council was created at the same time to carry out several citywide functions and to hold the city's charter. The county
18288-451: The skin, the eyes and respiratory tract. Tests were carried out on servicemen to determine the effects of nerve agents on human subjects, with one recorded death due to a nerve gas experiment. There have been persistent allegations of unethical human experimentation at Porton Down, such as those relating to the death of Leading Aircraftman Ronald Maddison , aged 20, in 1953. Maddison was taking part in sarin nerve agent toxicity tests; sarin
18432-589: The southern Avon rises on Salisbury Plain and flows through Salisbury, then into Hampshire. The far south-east contains part of the New Forest . Much of the county is protected: the Marlborough Downs; West Wiltshire Downs, Vale of Wardour, and Cranbourne Chase; and the Cotswolds are all part of designated national landscapes , and the New Forest is a national park . Salisbury Plain is noted for
18576-517: The spores germinate into active bacilli that multiply and eventually burst the macrophages, releasing many more bacilli into the bloodstream to be transferred to the entire body. Once in the bloodstream, these bacilli release three proteins: lethal factor , edema factor, and protective antigen. The three are not toxic by themselves, but their combination is incredibly lethal to humans. Protective antigen combines with these other two factors to form lethal toxin and edema toxin, respectively. These toxins are
18720-631: The spores transform into active bacteria, producing lethal toxins that lead to severe symptoms. Infected animals often exhibit high fever, rapid breathing, and convulsions, and they may succumb to the disease within hours to days. The presence of anthrax can pose significant challenges to livestock management and wildlife conservation efforts, making it a critical concern for both animal health and public health, as it can occasionally be transmitted to humans through contact with infected animals or contaminated products. Infected animals may stagger, have difficulty breathing, tremble, and finally collapse and die within
18864-486: The spraying. When the trials became public knowledge in the late 1990s, Dorset County Council , Weymouth and Portland Borough Council and Purbeck District Council demanded a public inquiry to investigate the experiments. The Government refused a Public Inquiry but instead commissioned Professor Brian Spratt, to conduct an Independent Review of the possible adverse health effects. He concluded that individuals with certain chronic conditions may have been affected. In 1954
19008-514: The story is most commonly linked with The Crammer in Devizes . Two-thirds of Wiltshire, a mostly rural county, lies on chalk , a kind of soft, white, porous limestone that is resistant to erosion, giving it a high chalk downland landscape. This chalk is part of a system of chalk downlands throughout eastern and southern England formed by the rocks of the Chalk Group and stretching from
19152-596: The thorax". An institute similar to Porton Down, the Mordon Microbiological Research Establishment, features in the 1962 novel The Satan Bug by Alistair MacLean . In Len Deighton 's Harry Palmer novels, Porton Down features in Billion Dollar Brain as a point of material for biowarfare espionage. Porton Down features in the 1977 novel The Enemy by Desmond Bagley , the 2010 mystery novel Before
19296-528: The transmission of anthrax spores. Microscopic visualization of the encapsulated bacilli, usually in very large numbers, in a blood smear stained with polychrome methylene blue (McFadyean stain) is fully diagnostic, though the culture of the organism is still the gold standard for diagnosis. Full isolation of the body is important to prevent possible contamination of others. Protective, impermeable clothing and equipment such as rubber gloves , rubber apron, and rubber boots with no perforations are used when handling
19440-581: The underlying rock is the resistant oolite limestone of the Cotswolds . Part of the Cotswolds AONB is also in Wiltshire, in the county's north-western corner. Between the areas of chalk and limestone downland are clay valleys and vales . The largest of these vales is the Avon Vale . The Avon cuts diagonally through the north of the county, flowing through Bradford-on-Avon and into Bath and Bristol . The Vale of Pewsey has been cut through
19584-497: The woman taking part in a drum circle . The woman apparently inhaled anthrax, in spore form, from the hide of the drum. She became critically ill, but with gastrointestinal anthrax rather than inhaled anthrax, which made her unique in American medical history. The building where the infection took place was cleaned and reopened to the public and the woman recovered. The New Hampshire state epidemiologist, Jodie Dionne-Odom, stated "It
19728-761: Was added to the Station's responsibilities. In 1929 the Royal Engineers Experimental Station became the Chemical Warfare Experimental Station ( CWES ) (1929–1930), and in 1930 the Chemical Defence Experimental Station ( CDES ) (1930–1948). In 1930, Britain ratified the 1925 Geneva Protocol with reservations, which permitted the use of chemical warfare agents only in retaliation. By 1938, the international situation
19872-585: Was at the western edge of Saxon Britain, as Cranborne Chase and the Somerset Levels prevented the advance to the west. The Battle of Bedwyn was fought in 675 between Escuin , a West Saxon nobleman who had seized the throne of Queen Saxburga , and King Wulfhere of Mercia . In 878 the Danes invaded the county. Following the Norman Conquest in 1066, large areas of the country came into
20016-493: Was dangerously contaminated with anthrax after a cloud of anthrax spores was released over the island during a trial. In 1981, a team of activists landed on the island and collected soil samples, a bag of which was left at the door at Porton Down. Testing showed that it still contained anthrax spores and in 1986 the Government felt obliged to take necessary steps to successfully decontaminate the island. Between 1963 and 1975
20160-630: Was dripped onto his arm and he died shortly afterwards. In the 1950s, the station, now renamed the Chemical Defence Experimental Establishment ( CDEE ), became involved with the development of CS , a riot-control agent, and took an increasing role in trauma and wound ballistics work. Both these facets of Porton Down's work had become more important because of the unrest and increasing violence in Northern Ireland. On 1 August 1962, Geoffrey Bacon,
20304-508: Was predicted to create 2,000 jobs. Creation of Porton Science Park started in 2016, with £9.5m in funding from Wiltshire Council , the Swindon and Wiltshire Local Enterprise Partnership and the European Regional Development Fund . The first building opened in 2018, with Ploughshare Innovations , Dstl's technology transfer company, among the tenants. Further expansion began in 2022. In 1942, Gruinard Island
20448-711: Was requisitioned in 1917 by the War Department, renamed HM Factory, Sutton Oak and started producing the chemical warfare agent diphenyl chloroarsine . The site switched to producing Adamsite in 1922. In 1923 the War Office halted the requisition and purchased the site, renaming it the War Office Research Establishment, a.k.a. Chemical Warfare Research Establishment, and later the Chemical Defence Research Establishment Sutton Oak. During
20592-834: Was such that the Cabinet authorised offensive chemical warfare research and development and the production of war reserve stocks of chemical warfare agents by the chemical industry. This included conducting chemical warfare trials, known as the Rawalpindi experiments , on servicemen in the British Indian Army to test the effects of mustard gas . During the Second World War, research at CDES concentrated on chemical weapons such as nitrogen mustard . As Allied armies penetrated Germany, they discovered operational stockpiles of munitions and weapons that contained new chemical warfare agents, including highly toxic organophosphorous nerve agents such as sarin , unknown to Britain and
20736-459: Was the first documented non-occupational human anthrax outbreak in the UK since 1960. The source of the anthrax is believed to have been dilution of the heroin with bone meal in Afghanistan. Injected anthrax may have symptoms similar to cutaneous anthrax, with the exception of black areas, and may also cause infection deep into the muscle and spread faster. This can make it harder to recognise and treat. Inhalation anthrax usually develops within
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