Flu Vaccine Effectiveness

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Flu Vaccine Effectiveness
Health A-Z
Health A-Z Video Flu Vaccine Effectiveness Flu Vaccine Effectiveness 1:01

Flu Vaccine Effectiveness

A lot of work goes into making the flu vaccine each year. Watch this video to learn how it's done.

Featured Expert: Leonard Friedland, MD »

Watched
Flu Vaccine Effectiveness
Health A-Z
Health A-Z Video Flu Vaccine Effectiveness Flu Vaccine Effectiveness 1:01

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