CDC - Current Flu Shot Less Effective Due to Virus Mutation
By Ben Russell
Your flu shot may not be as effective as it should be this flu season, according to the Centers for Disease Control and Prevention.
An advisory issued to doctors Wednesday noted that less than half of the flu samples tested by the CDC from Oct. 1 through Nov. 22 were a good match for the current strain of the influenza, a component in the flu shots developed for the current flu season, according to a report by the Reuters news agency.
That could result in people getting sick with the flu even though they have already been given the flu shot.
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