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Influenza A virus subtype H5N1 (A/H5N1) is a subtype of the influenza A virus, which causes the disease avian influenza (often referred to as "bird flu"). It is enzootic (maintained in the population) in many bird populations, and also panzootic (affecting animals of many species over a wide area). [1]
Avian influenza, also known as avian flu or bird flu, is a disease caused by the influenza A virus, which primarily affects birds but can sometimes affect mammals including humans. [1] Wild aquatic birds are the primary host of the influenza A virus, which is enzootic (continually present) in many bird populations.
In September, Egypt and Sudan joined the list of nations seeing a resurgence of bird deaths due to H5N1. [citation needed] In November and December, South Korea and Vietnam joined the list of nations seeing a resurgence of bird deaths due to H5N1; February/March 2006 - A dead cat infected with the H5N1 bird flu virus was found in Germany. [26]
1957–1958 influenza pandemic ('Asian flu') 1957–1958 Worldwide Influenza A virus subtype H2N2: 1–4 million [187] [203] [204] 1960–1962 Ethiopia yellow fever epidemic 1960–1962 Ethiopia: Yellow fever: 30,000 [205] Seventh cholera pandemic: 1961–present Worldwide Cholera (El Tor strain) 36,000 [citation needed] [206] Hong Kong flu ...
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.
Thousands of birds and animals were being culled in Germany to stop the spread. [11] In the United Kingdom the flu was found in a wild duck at a turkey farm in Lincolnshire. [12] In South Korea, a record total of 18.4 million birds had been killed by December since the first outbreak of avian flu was reported at a farm on Nov. 18. [13]
Worldwide mortality estimates range all the way from 2-7.4 million deaths (the "conservatively low" pandemic influenza calculation of a flu modeling expert at the U.S. Centers for Disease Control and Prevention) to 1000 million deaths (the bird flu pandemic prediction of one Russian virologist).
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