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How to protect yourself and your family from the flu
This year has turned out to be one of the deadliest flu seasons in the recent years. NBC News medical correspondent Dr. John Torres discusses whether you can get the flu twice, how long the season will last, and the most common strains out there, including influenza A, H3N2 and influenza B.
Flu epidemic could last until late April, experts warn02:26
How to protect yourself and your family from the flu01:49
53 children die from flu with 10 more weeks expected in the season00:25
Minneapolis on alert for flu as millions gather for Super Bowl02:39
Tamiflu raises concerns amid deadly flu epidemic03:20
Flu epidemic: Could there be a ‘double dip’?03:01