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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.
The 1889–1890 pandemic, often referred to as the Asiatic flu [53] or Russian flu, killed about 1 million people [54] [55] out of a world population of about 1.5 billion. It was long believed to be caused by an influenza A subtype (most often H2N2), but recent analysis largely brought on by the 2002-2004 SARS outbreak and the COVID-19 pandemic ...
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The 1918–1920 Spanish flu infected half a billion people [95] around the world, including on remote Pacific islands and in the Arctic—killing 20 to 100 million. [95] [96] Most influenza outbreaks disproportionately kill the very young and the very old, but the 1918 pandemic had an unusually high mortality rate for young adults. [97]
Widespread non-communicable diseases such as cardiovascular disease and cancer are not included. An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal infections , an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered ...
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.
Following warnings and increased preparedness in the 2000s, the 2009 swine flu pandemic led to rapid anti-pandemic reactions amongst the Western countries. The H1N1/09 virus strain with mild symptoms and low lethality eventually led to a backlash over public sector over-reactiveness, spending, and the high cost of the 2009 flu vaccine.
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.