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Should Americans be more worried about this year's flu strain?

Name: Should Americans be more worried about this year's flu strain?
Uploaded: 2014-12-30T15:17:54-0500
Duration: 4 min 16 s
Description: The CDC has officially upgraded the flu to epidemic status. CBSN talks to Mayo Clinic Infectious Disease Physician Dr. Pritish Tosh about the continuing flu concerns across the country.

The CDC has officially upgraded the flu to epidemic status. CBSN talks to Mayo Clinic Infectious Disease Physician Dr. Pritish Tosh about the continuing flu concerns across the country.