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Reuters: U.S. study shows why winter is "flu season"

Started by natalie, March 03, 2008, 04:40:17 PM

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U.S. study shows why winter is "flu season"
      


WASHINGTON (Reuters) - Influenza viruses coat themselves in fatty material that hardens and protects them in colder temperatures -- a finding that could explain why winter is the flu season, U.S. researchers reported on Sunday.
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