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Influenza A virus (IAV) is the only species of the genus Alphainfluenzavirus of the virus family Orthomyxoviridae. [1] ... H17 and H18 have only been discovered in bats.
Just two years after influenza viruses were discovered, in 1933, influenza A virus was identified as the agent responsible for human influenza. [ 76 ] [ 81 ] Subtypes of influenza A virus were discovered throughout the 1930s, [ 77 ] and influenza B virus was discovered in 1940.
This is a timeline of influenza, briefly describing major events such as outbreaks, epidemics, pandemics, discoveries and developments of vaccines. In addition to specific year/period-related events, there is the seasonal flu that kills between 250,000 and 500,000 people every year and has claimed between 340 million and 1 billion human lives ...
Sir Christopher Howard Andrewes FRS (7 June 1896 – 31 December 1988) was a British virologist who discovered the human influenza A virus in 1933. Education
Hemagglutinin (HA) in influenza A virus (IAV) has at least 18 different subtypes. [7] These subtypes are named H1 through H18. H16 was discovered in 2004 on IAVs isolated from black-headed gulls from Sweden and Norway. H17 was discovered in 2012 in fruit bats. [8] [9] Most recently, H18 was discovered in a Peruvian bat in 2013. [10]
With Richard E. Shope in 1931, Lewis discovered an influenza A virus that could infect both pigs and humans. This virus turned deadly when co-infected with Haemophilus influenzae, illuminating the origins of the Spanish flu. [6] Lewis's later work centered on tuberculosis, heredity, and allergies in guinea pigs. [2]
Last March, the Department of Agriculture discovered that cows infected with H5N1 could possibly pass the virus to people through droplets from milking machinery.
Influenza vaccines, colloquially known as flu shots [28] or the flu jab, ... In 2004, influenza A virus subtype H3N8 was discovered to cause canine influenza. Because ...