CDC: Flu Season Underwhelms

According to the CDC, this year's flu season was milder and peaked later than previous years.

Typically, flu season starts around the end of the year, but in 2012 it remained low through February and only rose about the baseline for one week in March. This is the shortest and lowest peak recorded since the CDC started keeping track in 1997.

The researchers cited the mild winter, effectiveness of the flu vaccine and similarity of the influenza viruses to previous seasons as mitigating factors.

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