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CDC says this year's flu shot will be more effective

Name: CDC says this year's flu shot will be more effective
Uploaded: 2015-09-17T18:17:58-0400
Duration: 26 s
Description: The CDC says this year's version of the flu shot matches circulating flu strains better than last year's did. CBSN's Vladimir Duthiers has the details on the vaccine.

The CDC says this year's version of the flu shot matches circulating flu strains better than last year's did. CBSN's Vladimir Duthiers has the details on the vaccine.