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.

Swine flu H1N1
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2009 – 2010 

In the spring of 2009, a new flu virus spread quickly across the United States and the world. The first U.S. case of HINI (swine flu) was diagnosed on April 15, 2009.

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