PBS News Hour

Dr. Fauci on booster shots and delta’s threat to children

People who are immunocompromised didn’t gain enough immunity from their first COVID-19 vaccine shots and need a booster for full protection, explains Dr. Fauci. Fauci spoke with William Brangham about breakthrough infections, the delta variant’s threat to children and how the virus is changing.

Dr. Fauci on booster shots and delta’s threat to children

7m 41s

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