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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.
From this point on, avian influenza experts increasingly refer to containment as a strategy that can delay but not prevent a future avian flu pandemic. [citation needed] Variants have been found in a number of domestic cats, leopards, and tigers in Thailand, with high lethality. [18] "The Thailand Zoo tiger outbreak killed more than 140 tigers ...
On November 7, the CDC reported asymptomatic bird flu infection in 4 workers at dairy farms. The workers didn't recall ever being sick but had antibodies showing that they had been infected with bird flu. [98] On November 22, the CDC confirmed the first case of bird flu in a U.S. child, being the 55th case of bird flu in humans in the U.S.
The bird flu that’s been making news in the United States is a virus called H5N1. Some flu viruses carried by birds cause only mild infections and are classified as low-pathogenic viruses.
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.
Bird flu has been killing birds for decades.Strains of the virus have been detected in birds since 1996, with serious outbreaks in 2004 and 2005. But the current outbreak is the worst Avian flu in ...
In 1996, a new bird flu called H5N1 was identified. It has killed millions of wild and domestic birds. ... The H1N1 flu pandemic of 1918 killed more than 50 million people over three years, or ...
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 ...