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124-600: Stockholm Arlanda Airport ( IATA : ARN , ICAO : ESSA ) is the main international airport serving Stockholm , the capital of Sweden . It is located in Sigtuna Municipality , 37 km (23 mi) north of Stockholm and nearly 40 km (25 mi) southeast of Uppsala . The airport is located within Stockholm County . Arlanda is the largest airport in Sweden and the third-largest airport in

248-625: A healthy diet are also recommended. Supportive care in severe cases includes treatment to relieve symptoms , fluid therapy , oxygen support and prone positioning , and medications or devices to support other affected vital organs. More severe cases may need treatment in hospital. In those with low oxygen levels, use of the glucocorticoid dexamethasone is recommended to reduce mortality. Noninvasive ventilation and, ultimately, admission to an intensive care unit for mechanical ventilation may be required to support breathing. Extracorporeal membrane oxygenation (ECMO) has been used to address

372-627: A variant of concern (VoC) or a variant of interest (VoI). Many of these variants have shared the more infectious D614G . As of May 2023, the WHO had downgraded all variants of concern to previously circulating as these were no longer detected in new infections. Sub-lineages of the Omicron variant (BA.1 – BA.5) were considered separate VoCs by the WHO until they were downgraded in March 2023 as no longer widely circulating. As of 24 September 2024 ,

496-493: A comprehensive international study. Such deaths include deaths due to healthcare capacity constraints and priorities, as well as reluctance to seek care (to avoid possible infection). Further research may help distinguish the proportions directly caused by COVID-19 from those caused by indirect consequences of the pandemic. In May 2022, the WHO estimated the number of excess deaths by the end of 2021 to be 14.9 million compared to 5.4 million reported COVID-19 deaths, with

620-569: A contract operator for SAS. This decision is expected to cause Bromma to lose around 90% of its traffic, potentially hastening its closure, and leaving Arlanda as Stockholm County's only public airport. Arlanda has four terminals numbered 2, 3, 4 and 5. As of 2024, all terminals are operational. The terminals have no strict separation of domestic and international flights, however gates are separated between Schengen and Non-Schengen departures. From 1992 to 2019, terminals 2 and 5 were used for international flights, and 3 and 4 for domestic flights. During

744-447: A decrease in passenger traffic on domestic routes. The terminal then began accommodating other airlines, including Transwede Airways , for both domestic and international flights. By the late 1990s, the terminal's capacity was insufficient to handle the growing passenger traffic. Significant updates were made in 2001 when Terminal 2 was reconfigured to handle exclusively international flights as part of preparations for Sweden’s entry into

868-438: A flight simulator centre for some of the most common airliners of today (like Boeing 737) at Arlanda. Arlanda has hangars and aircraft maintenance facilities operated by SAS Scandinavian Airlines and Priority Aero Maintenance. TUI fly Nordic based at the airport also has a large hangar for widebody jets. There is also a helicopter repair facility operated by Patria Helicopters. A decommissioned Boeing 747 jumbo jet renovated into

992-503: A hostel, the Jumbo Stay (formerly Jumbo Hostel), is located at the entrance to Arlanda Airport. There are four additional hotels at the airport (Clarion Hotel Arlanda Airport, Radisson Blu Arlandia Hotel, Radisson Blu SkyCity Hotel and Rest and Fly); in addition there are several hotels nearby with transfer buses. Arlanda has a policy to never close due to snowfall. Arlanda is exposed to lake-effect snowfalls , where ice cold air from

1116-595: A large number of people". During the COVID-19 pandemic, as with other pandemics, the meaning of this term has been challenged. The end of a pandemic or other epidemic only rarely involves the total disappearance of a disease, and historically, much less attention has been given to defining the ends of epidemics than their beginnings. The ends of particular epidemics have been defined in a variety of ways, differing according to academic field, and differently based on location and social group. An epidemic's end can be considered

1240-451: A median range of 0.24% to 1.49%. IFRs rise as a function of age (from 0.002% at age 10 and 0.01% at age 25, to 0.4% at age 55, 1.4% at age 65, 4.6% at age 75, and 15% at age 85). These rates vary by a factor of ≈10,000 across the age groups. For comparison, the IFR for middle-aged adults is two orders of magnitude higher than the annualised risk of a fatal automobile accident and much higher than

1364-567: A new airport is built, replacing the old one, leaving the city's new "major" airport (or the only remaining airport) code to no longer correspond with the city's name. The original airport in Nashville, Tennessee, was built in 1936 as part of the Works Progress Administration and called Berry Field with the designation, BNA. A new facility known as Nashville International Airport was built in 1987 but still uses BNA. This

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1488-824: A random sample have consistently found that total infections considerably exceed the reported case counts. Many countries, early on, had official policies to not test those with only mild symptoms. The strongest risk factors for severe illness are obesity, complications of diabetes , anxiety disorders, and the total number of conditions. During the start of the COVID-19 pandemic it was not clear whether young people were less likely to be infected, or less likely to develop symptoms and be tested. A retrospective cohort study in China found that children and adults were just as likely to be infected. Among more thorough studies, preliminary results from 9 April 2020 found that in Gangelt ,

1612-526: A single terminal. Terminal 4 does not have passport control , customs facilities or baggage reclaim facilities . Passengers on non-Schengen flights, check in and pass through security at Terminal 4 but proceed to a non-Schengen gate within Terminal 5 for passport control and departure. Similarly, all arriving passengers are routed via the airside walkway to Terminal 5 for customs clearance and baggage reclaim. Terminal 5 (gates D11–D24, E1–E10 and F26-F69)

1736-461: A social phenomenon, not just a biological one. Time reported in March 2024 that expert opinions differ on whether or not COVID-19 is considered endemic or pandemic, and that the WHO continued to call the disease a pandemic on its website. During the initial outbreak in Wuhan , the virus and disease were commonly referred to as "coronavirus", "Wuhan coronavirus", "the coronavirus outbreak" and

1860-451: A test. Conversely, deaths of people who died from underlying conditions following a positive test may be included. Countries such as Belgium include deaths from suspected cases, including those without a test, thereby increasing counts. Official death counts have been claimed to underreport the actual death toll, because excess mortality (the number of deaths in a period compared to a long-term average) data show an increase in deaths that

1984-559: A travel time of approximately 38 minutes to Stockholm Central and 18 minutes to Uppsala Central. Due an exit fare levied by the privately operated Arlanda Line , fares from Arlanda Central Station are higher than typical SL journeys. Proposals have been made to extend the Roslagsbanan local railway to Arlanda Airport, to improve connectivity to north-eastern Stockholm, including areas such as Danderyd , Täby , and Vallentuna . As of 2024, there has been no formal decision to extend

2108-432: Is 3,301 m (10,830 ft) long and can handle take-offs and landings of the heaviest aircraft in use today. Runways 2 and 3 are 2,500 m (8,202 ft) long. As indicated, runways 1 and 3 are parallel runways that can be operated independently of one another. Runways 1 and 3 are equipped with CAT III systems for instrument landings. The airport can handle simultaneous take offs and landings using runways 1 and 3 at

2232-509: Is GSN and its IATA code is SPN, and some coincide with IATA codes of non-U.S. airports. Canada's unusual codes—which bear little to no similarity with any conventional abbreviation to the city's name—such as YUL in Montréal , and YYZ in Toronto , originated from the two-letter codes used to identify weather reporting stations in the 1930s. The letters preceding the two-letter code follow

2356-429: Is additionally served by many long-distance trains from Arlanda Central Station , with connections to various destinations north and south of the airport. These services are operated by multiple companies, including SJ , Mälartåg , and Vy Tåg . The Stockholm commuter rail (Pendeltåg) provides service to Arlanda Airport via Arlanda Central station . It connects the airport to Stockholm County and Uppsala , with

2480-518: Is associated with COVID-19 and is reported in as many as 88% of cases. The disease is mainly transmitted via the respiratory route when people inhale droplets and small airborne particles (that form an aerosol ) that infected people exhale as they breathe, talk, cough, sneeze, or sing. Infected people are more likely to transmit COVID-19 when they are physically close to other non-infected individuals. However, infection can occur over longer distances, particularly indoors. SARS‑CoV‑2 belongs to

2604-617: Is available. However, many railway administrations have their own list of codes for their stations, such as the list of Amtrak station codes . Airport codes arose out of the convenience that the practice brought pilots for location identification in the 1930s. Initially, pilots in the United States used the two-letter code from the National Weather Service (NWS) for identifying cities. This system became unmanageable for cities and towns without an NWS identifier, and

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2728-513: Is cleared at lighter snowfall. The airport has a total of 250 000 m to clear from snow and ice, at the same time as the aircraft continue taking off and landing. During the colder half of the year Stockholm Arlanda has about 65 seasonally hired snow removal staff. Together with permanent staff, they form a team of 100 people who provide snow removal services. Special routes are planned for sweeping teams, which clear each route at intervals of 35 to 45 minutes. The sweeping teams are directed via radio from

2852-523: Is different from the name in English, yet the airport code represents only the English name. Examples include: Due to scarcity of codes, some airports are given codes with letters not found in their names: The use of 'X' as a filler letter is a practice to create three-letter identifiers when more straightforward options were unavailable: Some airports in the United States retained their NWS ( National Weather Service ) codes and simply appended an X at

2976-611: Is discouraged altogether by the World Health Organization (WHO), due to limited evidence of its efficacy. The severity of COVID-19 varies. It may take a mild course with few or no symptoms, resembling other common upper respiratory diseases such as the common cold . In 3–4% of cases (7.4% for those over age 65) symptoms are severe enough to cause hospitalisation. Mild cases typically recover within two weeks, while those with severe or critical diseases may take three to six weeks to recover. Among those who have died,

3100-474: Is frequently hauled with the Antonov An-124 and similar cargo planes. TNT had their operations at Arlanda but have since moved to Västerås Airport. SAS Technical Services , TUI fly Nordic and Priority Aero Maintenance. have large aircraft hangars and maintenance facilities at the airport. SAS Technical Services is headquartered at Arlanda and has hangar facilities suitable for widebody aircraft up to

3224-671: Is governed by IATA Resolution 763, and it is administered by the IATA's headquarters in Montreal , Canada. The codes are published semi-annually in the IATA Airline Coding Directory. IATA provides codes for airport handling entities, and for certain railway stations. Alphabetical lists of airports sorted by IATA code are available. A list of railway station codes , shared in agreements between airlines and rail lines such as Amtrak , SNCF , and Deutsche Bahn ,

3348-561: Is handled through the facilities at the airport. SAS Cargo has its cargo operation east of the passenger terminals close to the SAS hangars. Dedicated scheduled cargo flights are operated by Korean Air Cargo with Boeing 747 cargo aircraft, as well as Lufthansa Cargo and Turkish Airlines . DHL, FedEx and UPS operate express freight services at the airport. West Air Sweden and Amapola operate shorter cargo sectors. A number of airlines operate ad hoc cargo flights with various equipment. Outsize cargo

3472-513: Is in conjunction to rules aimed to avoid confusion that seem to apply in the United States, which state that "the first and second letters or second and third letters of an identifier may not be duplicated with less than 200 nautical miles separation." Thus, Washington, D.C. area's three airports all have radically different codes: IAD for Washington–Dulles , DCA for Washington–Reagan (District of Columbia Airport), and BWI for Baltimore (Baltimore–Washington International, formerly BAL). Since HOU

3596-439: Is intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2), the virus that causes coronavirus disease 2019 ( COVID-19 ). Prior to the COVID-19 pandemic, an established body of knowledge existed about the structure and function of coronaviruses causing diseases like severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS). This knowledge accelerated

3720-485: Is large enough to handle a Boeing 747 and two 737 sized airplanes at the same time. The offices of SAS Technical Services are situated in connection with the hangars. In the early days of the airport these hangars provided heavy maintenance for members of the KSSU group, which included KLM, SAS, Swissair and UTA. A number of other airlines, such as Thai Airways International, also maintained their aircraft in those hangars. Now

3844-490: Is not explained by COVID-19 deaths alone. Using such data, estimates of the true number of deaths from COVID-19 worldwide have included a range from 18.2 to 33.5 million (≈27.4 million) by 18 November 2023 by The Economist , as well as over 18.5 million by 1 April 2023 by the Institute for Health Metrics and Evaluation and ≈18.2 million (earlier) deaths between 1 January 2020, and 31 December 2021, by

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3968-543: Is not followed outside the United States: In addition, since three letter codes starting with Q are widely used in radio communication, cities whose name begins with "Q" also had to find alternate codes, as in the case of: IATA codes should not be confused with the FAA identifiers of U.S. airports. Most FAA identifiers agree with the corresponding IATA codes, but some do not, such as Saipan , whose FAA identifier

4092-552: Is not owned by Swedavia , and is privately operated by A-Train AB, the owner of the Arlanda Express. The Arlanda Express is the primary express train service between central Stockholm and Arlanda Airport. It runs non-stop between Stockholm Central Station and Arlanda South and North stations. For the Arlanda Express, Arlanda South Station serves Terminals 2, 3, and 4; and Arlanda North Station serves Terminal 5. Arlanda

4216-436: Is placed close to the runway to avoid long waits between deicing and take off in winter conditions. Another deicing area is located in connection with the southern ramp area close to the take off positions at runway 01L. There are high speed taxiway exits from all runways, except runway 08, to enable aircraft to exit the runways quickly after landing. That increases runway capacity during rush hours. Use of parallel taxiways around

4340-399: Is primarily used by low-cost airlines such as Ryanair and Wizzair . In 1984, Linjeflyg and Scandinavian Airlines (SAS) relocated all operations from Stockholm Bromma Airport to the new terminal at Arlanda to consolidate their domestic and international departures. Due to its increasing popularity, the terminal soon became too small. To address this, Inrikes 2 (now named Terminal 2)

4464-469: Is situated landside, outside the security check area, and serves both passengers and visitors. Sky City also offers hotels connected to the terminals, located outside the security and passport check areas. Terminal 2 (gates 61–82) was inaugurated on December 12, 1990, by Prince Bertil . Initially named Inrikes 2 ("Domestic 2") it was designed for use by SAS as a domestic terminal, it features 8 aircraft parking stands with passenger bridges. The terminal

4588-656: Is the larger of Stockholm's two airports. The other, Stockholm Bromma Airport , is located 7 km (4.3 mi) northwest of central Stockholm , but can be used only by smaller aircraft. Two further airports outside of Stockholm County are also included in STO, the IATA airport code for the Stockholm Metropolitan Area: Stockholm Skavsta Airport and Stockholm Västerås Airport , both located around 100 kilometres (60 mi) away from

4712-401: Is the largest and oldest of Arlanda's current passenger terminals. The terminal was opened as Arlanda International in 1976 by King Carl XVI Gustaf . Built to handle both scheduled and charter international flights, Terminal 5 has since undergone several expansions. It now comprises three piers - D, E and F - which are equipped with 31 aircraft parking stands with passenger bridges. In 1992,

4836-452: Is the ratio of deaths to diagnoses. This metric can be misleading because of the delay between symptom onset and death and because testing focuses on symptomatic individuals. Based on Johns Hopkins University statistics, the global CFR was 1.02 percent (6,881,955 deaths for 676,609,955 cases) as of 10 March 2023. The number varies by region and has generally declined over time. Several variants have been named by WHO and labelled as

4960-406: Is the seventh known coronavirus to infect people, after 229E , NL63 , OC43 , HKU1 , MERS-CoV , and the original SARS-CoV . The standard method of testing for presence of SARS-CoV-2 is a nucleic acid test , which detects the presence of viral RNA fragments. As these tests detect RNA but not infectious virus, its "ability to determine duration of infectivity of patients is limited." The test

5084-614: Is typically done on respiratory samples obtained by a nasopharyngeal swab ; however, a nasal swab or sputum sample may also be used. The WHO has published several testing protocols for the disease. Preventive measures to reduce the chances of infection include getting vaccinated, staying at home or spending more time outdoors, avoiding crowded places, keeping distance from others, wearing a mask in public, ventilating indoor spaces, managing potential exposure durations, washing hands with soap and water often and for at least twenty seconds, practising good respiratory hygiene, and avoiding touching

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5208-416: Is used for William P. Hobby Airport , the new Houston–Intercontinental became IAH. The code BKK was originally assigned to Bangkok–Don Mueang and was later transferred to Suvarnabhumi Airport , while the former adopted DMK. The code ISK was originally assigned to Gandhinagar Airport (Nashik's old airport) and later on transferred to Ozar Airport (Nashik's current airport). Shanghai–Hongqiao retained

5332-586: The Airbus A380 . Due to the COVID-19 pandemic , all traffic at Arlanda Airport was moved to Terminal 5 between March 2020 and October 2021. Since 2022, Terminal 5 has been connected to Terminal 4 via an airside walkway, allowing them to operate as a single terminal. Terminal 5 now manages arrivals, customs, and baggage reclaim for Terminal 4. A new security control facility equipped with CT scanners opened in early summer 2023. Ongoing expansion efforts include

5456-571: The Canadian transcontinental railroads were built, each station was assigned its own two-letter Morse code : When the Canadian government established airports, it used the existing railway codes for them as well. If the airport had a weather station, authorities added a "Y" to the front of the code, meaning "Yes" to indicate it had a weather station or some other letter to indicate it did not. When international codes were created in cooperation with

5580-514: The Huanan Seafood Wholesale Market there, but it is possible that human-to-human transmission began earlier. Molecular clock analysis suggests that the first cases were likely to have been between October and November 2019. The scientific consensus is that the virus is most likely of a zoonotic origin, from bats or another closely related mammal. While other explanations such as speculations that SARS-CoV-2

5704-407: The Institute for Health Metrics and Evaluation estimating the true number of cases as of early 2022 to be in the billions. One measure that public health officials and policymakers have used to monitor the pandemic and guide decision-making is the test positivity rate ("percent positive"). According to Johns Hopkins in 2020, one benchmark for a "too high" per cent positive is 5%, which was used by

5828-521: The Nordic countries . The airport is the major gateway to international air travel for large parts of Sweden. Arlanda Airport was used by nearly 27 million passengers in 2017, with 21.2 million international passengers and 5.5 million domestic. The facility covers an expanse of about 2,500 hectares (9.7 sq mi) of airport property. Stockholm Arlanda serves as a major hub for Scandinavian Airlines and Norwegian Air Shuttle . Stockholm Arlanda Airport

5952-730: The Schengen area . The terminal was adapted to meet new requirements, including the addition of security checks and a larger luggage claim area. In 2013, Terminal 2 underwent a major refurbishment that expanded it by 2,500 square meters. The renovation added new transit areas, shops, and restaurants, as well as a new floor level with additional amenities such as restaurants and a lounge. Terminal 2 also features an express station for high-speed trains , Arlanda South Station , shared with terminals 3 and 4, but with its own dedicated escalator. There are buses between Terminal 2 and Terminal 5 without need for further security check. Terminal 3 (gates 51–59)

6076-602: The basic reproduction number (R 0 ) for COVID-19 in January 2020 were between 1.4 and 2.5, but a subsequent analysis claimed that it may be about 5.7 (with a 95 per cent confidence interval of 3.8 to 8.9). In December 2021, the number of cases continued to climb due to several factors, including new COVID-19 variants. As of that 28   December, 282,790,822 individuals worldwide had been confirmed as infected. As of 14 April 2022 , over 500 million cases were confirmed globally. Most cases are unconfirmed, with

6200-479: The coronavirus pandemic and COVID pandemic ), caused by severe acute respiratory syndrome coronavirus 2 ( SARS-CoV-2 ), began with an outbreak of COVID-19 in Wuhan , China, in December 2019. It spread to other areas of Asia, and then worldwide in early 2020. The World Health Organization (WHO) declared the outbreak a public health emergency of international concern (PHEIC) on 30 January 2020, and assessed

6324-474: The variants of interest as specified by the World Health Organization are BA.2.86 and JN.1, and the variants under monitoring are JN.1.7, KP.2, KP.3, KP.3.1.1, JN.1.18, LB.1, and XEC. Symptoms of COVID-19 are variable, ranging from mild symptoms to severe illness. Common symptoms include headache, loss of smell and taste , nasal congestion and runny nose , cough, muscle pain , sore throat , fever, diarrhoea , and breathing difficulties . People with

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6448-429: The "Wuhan coronavirus outbreak", with the disease sometimes called "Wuhan pneumonia ". In January 2020, the WHO recommended 2019-nCoV and 2019-nCoV acute respiratory disease as interim names for the virus and disease per 2015 international guidelines against using geographical locations (e.g. Wuhan, China), animal species, or groups of people in disease and virus names in part to prevent social stigma . WHO finalised

6572-470: The 1970s, both on one-stop scheduled flights to New York and on weekend nonstop charters to the Canary Islands . Domestic flights to Gothenburg , Malmö , Luleå and Kiruna were operated by SAS DC-9s from Arlanda since they were considered too noisy to be used at downtown Bromma. The rest of domestic traffic operated out of Bromma, and all international traffic operated out of Arlanda. In 1983,

6696-547: The COVID-19 pandemic only Terminal 5 was used. In 2022, Terminals 4 and 5 were connected airside, enabling them to operate as a single terminal. Arlanda has never had a Terminal 1.The designation was reserved for a potential terminal planned to be located just south of Terminal 2, which has never been built. In addition to the terminals, the airport features a concourse area called Sky City, located between Terminals 4 and 5. This area includes shopping and restaurant facilities, along with Arlanda Central Station below it. Sky City

6820-499: The Roslagsbanan to Arlanda. The main bus terminal at Arlanda Airport is situated outside Terminal 4. Flygbussarna offers regular departures to central Stockholm. Several other operators provide services to and from the airport, including Flixbus , SL , UL , and Vy bus4you . Flixbus and Vy bus4you run long-distance coach services to various destinations across Sweden. IATA airport code The assignment of these codes

6944-555: The Stockholm area also bring special flights to the airport. Various private companies use their business jets to attend meetings in the Stockholm area. Some VIP-flights also go to the more central Bromma Airport , but since Bromma has limited operational hours and does not allow large aircraft, many go to Arlanda instead. European Flight Service has a Grumman Gulfstream G550 based at Arlanda for VIP flights. Arlanda has several VIP lounges. They allow travellers to meet their planes on

7068-623: The Swedish capital, is also used by VIP-flights using business jets . Government officials and celebrities are frequent visitors. In April 2011, the then- Chairman of the Russian Government Vladimir Putin visited Stockholm with a couple of large jet airplanes . The Emperor of Japan has also visited Arlanda with his Boeing 747s . In September 2013, U.S. President Barack Obama , made an official visit to Sweden with Air Force One . EU-meetings and exhibitions in

7192-453: The Swedish capital. The airport was first used in 1959 but only for practice flights. It opened for limited civil traffic in 1960, and in 1962 the official opening ceremony took place. It was used from the start for intercontinental traffic because the runway at Bromma was too short. Scandinavian Airlines started using Douglas DC-8s on North American routes. The airport was also used very early by Pan American World Airways . The name Arlanda

7316-472: The U.S. For example, several airports in Alaska have scheduled commercial service, such as Stebbins and Nanwalek , which use FAA codes instead of ICAO codes. Thus, neither system completely includes all airports with scheduled service. Some airports are identified in colloquial speech by their IATA code. Examples include LAX and JFK . COVID-19 pandemic The COVID-19 pandemic (also known as

7440-481: The United States, because "Y" was seldom used in the United States, Canada simply used the weather station codes for its airports, changing the "Y" to a "Z" if it conflicted with an airport code already in use. The result is that most major Canadian airport codes start with "Y" followed by two letters in the city's name (for example, YOW for O tta w a , YWG for W innipe g , YYC for C algar y , or YVR for V ancouve r ), whereas other Canadian airports append

7564-640: The WHO in the past. As of 10 March 2023, more than 6.88   million deaths had been attributed to COVID-19. The first confirmed death was in Wuhan on 9 January 2020. These numbers vary by region and over time, influenced by testing volume, healthcare system quality, treatment options, government response, time since the initial outbreak, and population characteristics, such as age, sex, and overall health. Multiple measures are used to quantify mortality. Official death counts typically include people who died after testing positive. Such counts exclude deaths without

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7688-419: The WHO, US, European Union, and Australia. On 12 November 2022, the WHO released its Global Vaccine Market Report. The report indicated that "inequitable distribution is not unique to COVID-19 vaccines"; countries that are not economically strong struggle to obtain vaccines. On 14 November 2022, the first inhalable vaccine was introduced, developed by Chinese biopharmaceutical company CanSino Biologics , in

7812-417: The air traffic control tower. When snow removal is completed on each runway the surface is tested by a friction vehicle, which measures friction value. The airport announces the friction value, and then it is each pilot who decides whether the value is sufficient for a landing. The friction value determines how often a runway must be ploughed and treated with antiskid agent. Arlanda, as the main airport serving

7936-401: The aircraft since there is no custom facilities at Terminal 3. In the summer of 2024, Swedavia conducted runway maintenance at Stockholm Bromma Airport . During this period, BRA (Braathens Regional Airlines) temporarily relocated its operations to Terminal 3 at Stockholm Arlanda Airport. In October 2024, PopulAir , Jonair and Västflyg commenced operations from Terminal 3, signifying

8060-440: The airport itself instead of the city it serves, while another code is reserved which refers to the city itself which can be used to search for flights to any of its airports. For instance: Or using a code for the city in one of the major airports and then assigning another code to another airport: When different cities with the same name each have an airport, they need to be assigned different codes. Examples include: Sometimes,

8184-418: The airport's former name, such as Orlando International Airport 's MCO (for Mc C o y Air Force Base), or Chicago's O'Hare International Airport , which is coded ORD for its original name: Or char d Field. In rare cases, the code comes from the airport's unofficial name, such as Kahului Airport 's OGG (for local aviation pioneer Jimmy H ogg ). In large metropolitan areas, airport codes are often named after

8308-543: The airport. In early 2014, Swedavia announced plans for further expansions of the airport terminal complex, including the construction of an additional pier for Terminal 5 in order to better accommodate larger aircraft such as the Airbus A380 and Boeing 747-8 and address forecasts of rising passenger numbers. The plans were approved by the Environmental Court of Appeals in December 2014, and construction

8432-448: The broad family of viruses known as coronaviruses . It is a positive-sense single-stranded RNA (+ssRNA) virus, with a single linear RNA segment. Coronaviruses infect humans, other mammals, including livestock and companion animals, and avian species. Human coronaviruses are capable of causing illnesses ranging from the common cold to more severe diseases such as Middle East respiratory syndrome (MERS, fatality rate ≈34%). SARS-CoV-2

8556-648: The centre of a major infection cluster in Germany, 15 per cent of a population sample tested positive for antibodies . Screening for COVID-19 in pregnant women in New York City , and blood donors in the Netherlands, found rates of positive antibody tests that indicated more infections than reported. Seroprevalence -based estimates are conservative as some studies show that persons with mild symptoms do not have detectable antibodies. Initial estimates of

8680-760: The city of Shanghai, China. For the first two years of the pandemic, no specific and effective treatment or cure was available. In 2021, the European Medicines Agency's (EMA) Committee for Medicinal Products for Human Use (CHMP) approved the oral antiviral protease inhibitor , Paxlovid (nirmatrelvir plus the HIV antiviral ritonavir ), to treat adult patients. FDA later gave it an EUA. Most cases of COVID-19 are mild. In these, supportive care includes medication such as paracetamol or NSAIDs to relieve symptoms (fever, body aches, cough), adequate intake of oral fluids and rest. Good personal hygiene and

8804-502: The code SHA, while the newer Shanghai–Pudong adopted PVG. The opposite was true for Berlin : the airport Berlin–Tegel used the code TXL, while its smaller counterpart Berlin–Schönefeld used SXF; the Berlin Brandenburg Airport has the airport code BER, which is also part of its branding. The airports of Hamburg (HAM) and Hannover (HAJ) are less than 100 nautical miles (190 km) apart and therefore share

8928-539: The construction of an expanded airside concourse and new duty-free store, which has been opening gradually since 2023 and is expected to be completed by the end of 2024, featuring approximately 50 new retailers, restaurants, and services. Future plans for Terminal 5 include the addition of Pier G by 2040, which aims to increase the terminal's capacity to accommodate up to 40 million passengers annually, up from 25 million in 2019. Arlanda has three runways : Runway 1 (01L/19R), Runway 2 (08/26) and Runway 3 (01R/19L). Runway 1

9052-484: The cumulative number of infected individuals (including asymptomatic and undiagnosed infections and excluding vaccinated infected individuals). It is expressed in percentage points. Other studies refer to this metric as the infection fatality risk . In November 2020, a review article in Nature reported estimates of population-weighted IFRs for various countries, excluding deaths in elderly care facilities, and found

9176-441: The development of various vaccine platforms during early 2020. The initial focus of SARS-CoV-2 vaccines was on preventing symptomatic and severe illness. The COVID-19 vaccines are widely credited for their role in reducing the severity and death caused by COVID-19. As of March 2023, more than 5.5 billion people had received one or more doses (11.8 billion in total) in over 197 countries. The Oxford-AstraZeneca vaccine

9300-467: The domestic traffic operated by Linjeflyg moved from Bromma to Arlanda, using the terminal now known as Terminal 4. In 1990, two new domestic terminals called "Domestic 2 and 3" were built south of the first domestic terminal. In 1992, the terminal 2 was partly abandoned because of traffic decrease. It started to be used for international traffic the year after, and the main domestic and international terminals were renumbered into 4 and 5. The third runway

9424-934: The end. Examples include: A lot of minor airfields without scheduled passenger traffic have ICAO codes but not IATA codes, since the four letter codes allow more number of codes, and IATA codes are mainly used for passenger services such as tickets, and ICAO codes by pilots. In the US, such airfields use FAA codes instead of ICAO. There are airports with scheduled service for which there are ICAO codes but not IATA codes, such as Nkhotakota Airport/Tangole Airport in Malawi or Chōfu Airport in Tokyo, Japan. There are also several minor airports in Russia (e.g., Omsukchan Airport ) which lack IATA codes and instead use internal Russian codes for booking. Flights to these airports cannot be booked through

9548-513: The eyes, nose, or mouth with unwashed hands. Those diagnosed with COVID-19 or who believe they may be infected are advised by healthcare authorities to stay home except to get medical care, call ahead before visiting a healthcare provider, wear a face mask before entering the healthcare provider's office and when in any room or vehicle with another person, cover coughs and sneezes with a tissue, regularly wash hands with soap and water and avoid sharing personal household items. A COVID-19 vaccine

9672-557: The first three letters of the city in which it is located, for instance: The code may also be a combination of the letters in its name, such as: Sometimes the airport code reflects pronunciation, rather than spelling, namely: For many reasons, some airport codes do not fit the normal scheme described above. Some airports, for example, cross several municipalities or regions, and therefore, use codes derived from some of their letters, resulting in: Other airports—particularly those serving cities with multiple airports—have codes derived from

9796-478: The following format: Most large airports in Canada have codes that begin with the letter "Y", although not all "Y" codes are Canadian (for example, YUM for Yuma, Arizona , and YNT for Yantai , China), and not all Canadian airports start with the letter "Y" (for example, ZBF for Bathurst, New Brunswick ). Many Canadian airports have a code that starts with W, X or Z, but none of these are major airports. When

9920-597: The form of " YYZ ", a song by the rock band Rush , which utilizes the Morse code signal as a musical motif. Some airports have started using their IATA codes as brand names , such as Calgary International Airport (YYC) and Vancouver International Airport (YVR). Numerous New Zealand airports use codes that contain the letter Z, to distinguish them from similar airport names in other countries. Examples include HLZ for Hamilton , ZQN for Queenstown , and WSZ for Westport . Predominantly, airport codes are named after

10044-554: The former Swedish domestic airline Linjeflyg . It is used mainly by regional aircraft. Helicopter hangars and maintenance facilities are found at the very eastern part of the airport operated by Patria Helicopters. Swedavia , the Swedish airport management company, has its head office in the airport control tower facility. The company Sollentuna Cabin Interiors has its head office in Hangar 4 at Arlanda. Oxford Aviation Academy has

10168-474: The general public beginning in December 2020, made available through government and international programs such as COVAX , aiming to provide vaccine equity . Treatments include novel antiviral drugs and symptom control. Common mitigation measures during the public health emergency included travel restrictions , lockdowns , business restrictions and closures, workplace hazard controls , mask mandates , quarantines, testing systems, and contact tracing of

10292-665: The infected. The pandemic caused severe social and economic disruption around the world, including the largest global recession since the Great Depression . Widespread supply shortages , including food shortages , were caused by supply chain disruptions and panic buying . Reduced human activity led to an unprecedented temporary decrease in pollution . Educational institutions and public areas were partially or fully closed in many jurisdictions, and many events were cancelled or postponed during 2020 and 2021. Telework became much more common for white-collar workers as

10416-487: The international air booking systems or have international luggage transferred there, and thus, they are booked instead through the airline or a domestic booking system. Several heliports in Greenland have 3-letter codes used internally which might be IATA codes for airports in faraway countries. There are several airports with scheduled service that have not been assigned ICAO codes that do have IATA codes, especially in

10540-439: The issue of respiratory failure. Existing drugs such as hydroxychloroquine , lopinavir/ritonavir , and ivermectin are not recommended by US or European health authorities, as there is no good evidence they have any useful effect. The antiviral remdesivir is available in the US, Canada, Australia, and several other countries, with varying restrictions; however, it is not recommended for use with mechanical ventilation, and

10664-459: The main user is Scandinavian Airlines. TUI fly Nordic has a hangar able to handle their largest aircraft, the Boeing 787-9. Priority Aero Maintenance has its facilities in the eastern part of the airport. They provide heavy aircraft maintenance for a number of aircraft including MD-80, a common type to be overhauled by the company. There is also a hangar in the southern part of the airport, built by

10788-576: The majority of the unreported 9.5 million deaths believed to be direct deaths due the virus, rather than indirect deaths. Some deaths were because people with other conditions could not access medical services . A December 2022 WHO study estimated excess deaths from the pandemic during 2020 and 2021, again concluding ≈14.8 million excess early deaths occurred, reaffirming and detailing their prior calculations from May as well as updating them, addressing criticisms. These numbers do not include measures like years of potential life lost and may make

10912-612: The name of the airport itself, for instance: This is also true with some cities with a single airport (even if there is more than one airport in the metropolitan area of said city), such as BDL for Hartford, Connecticut 's B ra dl ey International Airport or Baltimore's BWI, for B altimore/ W ashington I nternational Airport ; however, the latter also serves Washington, D.C. , alongside Dulles International Airport (IAD, for I nternational A irport D ulles) and Ronald Reagan Washington National Airport (DCA, for D istrict of C olumbia A irport). The code also sometimes comes from

11036-478: The northeast in combination with open water in the Baltic Sea causes heavy snowfall. During heavy snowfall at least one runway stays open but in bad weather condition there may be delays even if flight operations continue at all times. Not just runways need to be cleared, aprons and aircraft parking areas need snow clearing as well. It is an advantage that there are three runways allowing two open runways when one

11160-495: The official names COVID-19 and SARS-CoV-2 on 11 February 2020. Tedros Adhanom Ghebreyesus explained: CO   for corona , VI   for virus , D   for disease and 19 for when the outbreak was first identified (31 December 2019). WHO additionally uses "the COVID-19 virus" and "the virus responsible for COVID-19" in public communications. WHO named variants of concern and variants of interest using Greek letters . The initial practice of naming them according to where

11284-416: The one they are located in: Other airport codes are of obscure origin, and each has its own peculiarities: In Asia, codes that do not correspond with their city's names include Niigata 's KIJ , Nanchang 's KHN and Pyongyang 's FNJ . EuroAirport Basel Mulhouse Freiburg , which serves three countries, has three airport codes: BSL, MLH, EAP. Some cities have a name in their respective language which

11408-511: The opening of Runway 3 and a new air traffic control tower . The expanded facilities were inaugurated on December 17, 2003, by Infrastructure Minister Ulrika Messing . Since 2020, Terminal 5 at Stockholm Arlanda Airport has served both domestic and international flights. It functions as a hub for Scandinavian Airlines and Norwegian Air Shuttle , and accommodates both Schengen and non-Schengen destinations. Since 2018, some gates at Terminal 5 have been able to support larger aircraft models such as

11532-427: The outbreak as having become a pandemic on 11 March. COVID-19 symptoms range from asymptomatic to deadly, but most commonly include fever, sore throat , nocturnal cough , and fatigue. Transmission of the virus is often through airborne particles . Mutations have produced many strains (variants) with varying degrees of infectivity and virulence . COVID-19 vaccines were developed rapidly and deployed to

11656-407: The pandemic 2021's leading cause of death . The time between symptom onset and death ranges from   6 to 41 days, typically about 14 days. Mortality rates increase as a function of age. People at the greatest mortality risk are the elderly and those with underlying conditions. The infection fatality ratio (IFR) is the cumulative number of deaths attributed to the disease divided by

11780-495: The pandemic evolved. Misinformation circulated through social media and mass media , and political tensions intensified . The pandemic raised issues of racial and geographic discrimination , health equity , and the balance between public health imperatives and individual rights . The WHO ended the PHEIC for COVID-19 on 5 May 2023. The disease has continued to circulate, but as of 2024, experts were uncertain as to whether it

11904-415: The population's age structure and the age-specific pattern of infections. There have also been reviews that have compared the fatality rate of this pandemic with prior pandemics, such as MERS-CoV. For comparison the infection mortality rate of seasonal flu in the United States is 0.1%, which is 13 times lower than COVID-19. Another metric in assessing death rate is the case fatality ratio (CFR), which

12028-462: The risk of dying from seasonal influenza . In December 2020, a systematic review and meta-analysis estimated that population-weighted IFR was 0.5% to 1% in some countries (France, Netherlands, New Zealand, and Portugal), 1% to 2% in other countries (Australia, England, Lithuania, and Spain), and about 2.5% in Italy. This study reported that most of the differences reflected corresponding differences in

12152-451: The same first and middle letters, indicating that this rule might be followed only in Germany. Many cities retain historical names in their airport codes, even after having undergone an official name/spelling/transliteration change: Some airport codes are based on previous names associated with a present airport, often with a military heritage. These include: Some airports are named for an administrative division or nearby city, rather than

12276-496: The same infection may have different symptoms, and their symptoms may change over time. Three common clusters of symptoms have been identified: one respiratory symptom cluster with cough, sputum , shortness of breath, and fever; a musculoskeletal symptom cluster with muscle and joint pain, headache, and fatigue; a cluster of digestive symptoms with abdominal pain, vomiting, and diarrhoea. In people without prior ear, nose, and throat disorders, loss of taste combined with loss of smell

12400-413: The same time. Simultaneous aircraft takeoffs and landings can be performed in instrument meteorological conditions (IMC). Runway 3 (01R/19L) is reached from the main terminal area via taxiway bridges constructed to be able to handle the heaviest and largest aircraft in traffic, although its length practically limits this. Since runway 3 (01R/19L) is located at a distance from the terminals, a deicing area

12524-428: The security check was congested already, so Terminal 5 became congested. Swedavia built a new pedestrian tunnel between the two terminals, bypassing the security check area. It opened together with Terminal 4 at the end of June 2022. In September 2024, Braathens Regional Airlines announced it would discontinue its regular flight services and relocate its operations from Bromma Airport to Stockholm Arlanda Airport, as

12648-409: The size of Boeing 747-400s. The first part of the hangar complex was built to handle SAS' fleet of DC-8s. There are a number of positions on each side of the building initially built to handle the type. The hangar space are now used mostly for Boeing 737s and A320s. The Boeing 747 hangar was inaugurated at the time when Scandinavian Airlines received their first Boeing 747s in the beginning of the 70s. It

12772-401: The spring of 2022, passenger figures rose again to more normal levels. This caused capacity problems, especially in the security check, because most of its staff were fired due to the pandemic recession. Additionally followed with the time to find and get security approval for and educate new staff. Terminal 4 could not open because transfer between it and Terminal 5 required a security check, and

12896-500: The station code of Malton, Mississauga , where it is located). YUL is used for Montréal–Trudeau (UL was the ID code for the beacon in the city of Kirkland , now the location of Montréal–Trudeau). While these codes make it difficult for the public to associate them with a particular Canadian city, some codes have become popular in usage despite their cryptic nature, particularly at the largest airports. Toronto's code has entered pop culture in

13020-573: The tarmac. The VIP area can also hold weddings, with or without a flight. The airport also holds weddings in the control tower. Arlanda Airport is connected to Sweden's rail network via the Arlanda Line , a railway that connects Stockholm Arlanda Airport to the East Coast Line . This line opened in 1999 and runs in a tunnel beneath the airport, with three separate stations: Arlanda South , Arlanda North , and Arlanda Central . The line

13144-501: The terminal area separates arriving and departing traffic. Arlanda can handle all aircraft types in service including the Airbus A380 . Stockholm Arlanda has extensive cargo flight activity. There is a cargo area with cargo terminals and cargo transit facilities in the southern part of the airport area. The cargo area is labeled "Cargo City" with warehouses operated by Cargo Center, DHL, Swedish postal service (Posten) and Spirit Air Cargo. A large part of mail and express parcels from Sweden

13268-479: The terminal was renamed from Arlanda International to its current designation as Terminal 5, and in 1999 Arlanda North Station was opened, providing a direct rail link to Stockholm Central Station with the Arlanda Express . In 2003, Terminal 5 underwent a significant expansion that included the addition of a third pier. This expansion was part of a broader redevelopment of Arlanda Airport, which also saw

13392-496: The terminal with Stockholm Central Station and Arlanda North Station at Terminal 5. In 2006, Terminal 4 underwent a major renovation, the first significant update since its construction in 1983. The terminal was closed in spring 2020 due to the COVID-19 pandemic and reopened in June 2022, primarily serving Ryanair. During its closure, an airside walkway was constructed, linking Terminal 4 with Terminal 5, allowing them to operate as

13516-409: The terminal's full reopening after a period of closure. Terminal 4 (gates C30–C44, also now known as Terminal 5 - C Gates) was inaugurated in 1983 by King Carl XVI Gustaf and Queen Silvia . Initially named Inrikes 1 ("Domestic 1"), it was designed to handle domestic flights. Terminal 4 takes the form of a single pier and features 14 aircraft parking stands with passenger bridges. Today Terminal 4

13640-411: The time from symptom onset to death has ranged from two to eight weeks. Prolonged prothrombin time and elevated C-reactive protein levels on admission to the hospital are associated with severe course of COVID-19 and with a transfer to intensive care units (ICU). Between 5% and 50% of COVID-19 patients experience long COVID , a condition characterised by long-term consequences persisting after

13764-515: The two-letter code of the radio beacons that were the closest to the actual airport, such as YQX in Gander or YXS in Prince George . Four of the ten provincial capital airports in Canada have ended up with codes beginning with YY, including: Canada's largest airport is YYZ for Toronto Pearson (as YTZ was already allocated to Billy Bishop Toronto City Airport , the airport was given

13888-694: The typical convalescence period of the disease. The most commonly reported clinical presentations are fatigue and memory problems, as well as malaise , headaches, shortness of breath , loss of smell, muscle weakness , low fever and cognitive dysfunction . Many countries attempted to slow or stop the spread of COVID-19 by recommending, mandating or prohibiting behaviour changes, while others relied primarily on providing information. Measures ranged from public advisories to stringent lockdowns. Outbreak control strategies are divided into elimination and mitigation. Experts differentiate between elimination strategies (known as " zero-COVID ") that aim to completely stop

14012-529: The use of two letters allowed only a few hundred combinations; a three-letter system of airport codes was implemented. This system allowed for 17,576 permutations, assuming all letters can be used in conjunction with each other. Since the U.S. Navy reserved "N" codes, and to prevent confusion with Federal Communications Commission broadcast call signs , which begin with "W" or "K", the airports of certain U.S. cities whose name begins with one of these letters had to adopt "irregular" airport codes: This practice

14136-543: The variants were identified (e.g. Delta began as the " Indian variant") is no longer common. A more systematic naming scheme reflects the variant's PANGO lineage (e.g., Omicron 's lineage is B.1.1.529) and is used for other variants. SARS-CoV-2 is a virus closely related to bat coronaviruses , pangolin coronaviruses, and SARS-CoV . The first known outbreak (the 2019–2020 COVID-19 outbreak in mainland China ) started in Wuhan , Hubei, China, in December 2019. Many early cases were linked to people who had visited

14260-443: Was accidentally released from a laboratory have been proposed, as of 2021 these were not supported by evidence. Official "case" counts refer to the number of people who have been tested for COVID-19 and whose test has been confirmed positive according to official protocols whether or not they experienced symptomatic disease. Due to the effect of sampling bias , studies which obtain a more accurate number by extrapolating from

14384-419: Was built between 1998 and 2002; however, a recession in 2002 delayed its opening until 2003. At that time, protests were raised by people living under its flight path in the municipality of Upplands Väsby . Traffic has recovered since and is now showing healthy increases, but the third runway is only used during peak hours for environmental reasons. In September 2010, the first Airbus A380 superjumbo landed at

14508-419: Was constructed to facilitate short turnaround times, increased efficiency, and minimal walking distances for passengers. At its opening, it did not have security checks and was intended for passengers with hand luggage, allowing them to arrive just 10 minutes before departure. The design included double walk bridges suitable for MD-80 aircraft . In 1992, SAS moved its domestic operations out of Terminal 2 due to

14632-590: Was decided after a competition prior to the airport opening. It is derived from Arland, an old name for the parish Ärlinghundra (now Husby-Ärlinghundra in Märsta ) where the airport is situated. The '-a' was added in analogy with other Swedish place names ending with -landa and also plays on the Swedish verb "landa", which means "to land". The 1960s and 1970s saw increases in traffic with scheduled traffic and charter traffic. The Boeing 747 jumbojet started to be used in

14756-519: Was designed to handle regional flights within Sweden. However, over time, there was a decline in passenger numbers for these smaller connections, leading to reduced utilisation of Terminal 3. In early 2020, Terminal 3 was closed due to the COVID-19 pandemic but as of October 2024 Terminal 3 will be in full use again for both domestic and international flights within Schengen - however arriving international passengers will exit through terminal 2 by bus from

14880-492: Was established in 1990 for SAS, which moved all its domestic flights from Inrikes 1 to the new terminal. Due to the 1990–1994 Swedish financial crisis , SAS returned to Terminal 4 in 1992, and the two carriers once again shared the terminal. In the same year, Inrikes 1 was renamed Terminal 4. Since 1999, Terminal 4 has been served by the Arlanda South Station , a station for the Arlanda Express , connecting

15004-423: Was opened in 1990 to serve regional domestic aircraft. Originally, Terminal 3 was built without security checks, which were later introduced after 2001, following Sweden's entry into the Schengen area. The terminal features a café and a boarding process where passengers walk outdoors from the gates and board planes using airstairs. Access to Terminal 3 is through Terminal 2, requiring a 200-meter walk. Terminal 3

15128-685: Was scheduled to commence in the spring of 2015. In the spring of 2020, most flights were cancelled due to the COVID-19 pandemic . SAS decided to fly only four domestic departures and four domestic arrivals from Arlanda, plus some international flights, after April 6, 2020 while Norwegian cancelled all flights from Arlanda except to Oslo. Terminal 2, 3 and 4 closed and terminal 5 handled all passengers during this period (March 2020 – October 2021) The passenger figures were 97.7% lower in April 2020 than in April 2019. The figured picked up later, but in early 2021 were still more than 80% less per month than 2019. In

15252-457: Was still a pandemic. Pandemics and their ends are not well-defined, and whether or not one has ended differs according to the definition used. As of 24 November 2024, COVID-19 has caused 7,075,455 confirmed deaths. The COVID-19 pandemic ranks as the fifth- deadliest pandemic or epidemic in history . In epidemiology , a pandemic is defined as "an epidemic occurring over a very wide area, crossing international boundaries, and usually affecting

15376-509: Was the most widely used. According to a June 2022 study, COVID-19 vaccines prevented an additional 14.4 million to 19.8 million deaths in 185 countries and territories from 8 December 2020 to 8 December 2021. On 8 November 2022, the first recombinant protein-based COVID-19 vaccine (Novavax's booster Nuvaxovid ) was authorised for use in adults in the United Kingdom. It has subsequently received endorsement/authorisation from

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