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.

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iStock/Andresr

Most influenza–and pneumonia–related deaths occurred between September 1957 and March 1958. Although the 1957 pandemic was not as devastating as the 1918 pandemic, about 69,800 people in the United States died. The elderly had the highest rates of death.

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