What You Need to Know About a 4th COVID Vaccine Dose
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What You Need to Know About a 4th COVID Vaccine Dose

The CDC and FDA have recommended a second booster dose of the Pfizer and Moderna vaccines for people age 50 and older. But why did the recommendation come out so quickly? And will we have to get a yearly booster shot in the future? Dr. Uché Blackstock shares her thoughts.

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