In 1997, avian influenza virus (H5N1) caused severe human disease in Hong Kong. One of 9 infected children and 5 of 9 infected adults died. Investigators hypothesized that this virus is lethal because ...
Dr. William Schaffner answers the question: 'Where Does The Flu Come From?' — -- Question: Where does the flu come from, and why are we susceptible to flu every year? Answer: Influenza is a virus ...
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