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How to protect yourself and your family from the flu

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February 6th, 2018

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.

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