Flu Information
"The flu" is caused by the influenza virus,
which infects the respiratory tract (nose, throat, lungs).
Unlike many other viral respiratory infections, such as the
common cold, the flu may cause severe illness and life-threatening
complications in certain people.
For access to U.S. Government Avian and Pandemic Influenza (Flu)
information,
please visit PandemicFlu.gov
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