You are subscribed to Images and Video for National Science Foundation Update. This information has recently been updated, and is now available. 09/06/2012 11:09 AM EDT Influenza & Flu Vaccines Every flu season, Americans battle coughs, fevers and body aches. The flu is a respiratory illness caused by a virus, a pathogen that causes disease in the human body. To understand how the flu is caught, spread and treated, Duke University's Katia Koelle explains the ... This is an NSF Multimedia Gallery item. This e-mail update was generated automatically based on your subscription to the category listed above. Some updates may belong to more than one category, resulting in duplicate messages.
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