Where Is the Flu This Year?

The Flu-O-Meter is based on data released each week by the Centers for Disease Control and Prevention. Last updated on December 1, 2009.

None: The flu is absent or was not reported.
Low (sporadic): Influenza infections noted but none affecting schools, nursing homes, or other institutional settings.
Medium (regional): Outbreaks in areas of state holding less than 50% of population.
High (Widespread): Outbreaks in areas with more than 50% of population.

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