History of flu outbreaks

POSTED: 09:47 AM PST Jan 10, 2013    UPDATED: 08:05 AM PST Dec 18, 2013 

The first human has died from the H10N8 avian flu virus, which has only been detected in birds until now. Take a look at history's four main flu outbreaks.

Flu vaccine
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CDC/HHS

1968 – 1969 

In early 1968, a new flu virus was detected in Hong Kong. The first cases in the United States were detected as early as September 1968 and the virus spread quickly. Deaths from this virus peaked in December 1968 and January 1969.

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