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[181] [180] According to Oxford, a similar outbreak occurred in March 1917 at army barracks in Aldershot, [182] and military pathologists later recognized these early outbreaks as the same disease as the Spanish flu. [183] [180] The overcrowded camp and hospital at Étaples was an ideal environment for the spread of a respiratory virus.
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 throughout history.
Due to the long time spans, the first plague pandemic (6th century – 8th century) and the second plague pandemic (14th century – early 19th century) are shown by individual outbreaks, such as the Plague of Justinian (first pandemic) and the Black Death (second pandemic). Infectious diseases with high prevalence are listed separately ...
That is exactly what happened with the 2009 H1N1 swine flu and the Spanish flu of 1918 pandemics. Influenza A subtypes. Influenza A (but not B) also has subtypes labeled H and N. These refer to ...
the 1918 flu pandemic where 500 million people worldwide were infected with H1N1 influenza A virus between 1918 and 1920, killing from 20 to 100 million people; the Influenza A virus subtype H1N1 which caused the influenza pandemic between 1918 and 1920, as well as the 2009 swine flu pandemic and 1977 Russian flu pandemic
The 1918 flu pandemic, commonly referred to as the Spanish flu, was a category 5 influenza pandemic caused by an unusually severe and deadly Influenza A virus strain of subtype H1N1. The difference between the influenza mortality age-distributions of the 1918 epidemic and normal epidemics.
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An H5N2 outbreak hit a flock of 7,000 chickens in south-central Texas in 2004, the first time in two decades a dangerous-to-poultry avian flu appeared in the U.S.