CDC to issue new guidance on 4th shot for immunocompromised

BOSTON — The Centers for Disease Control and Prevention is expected to approve another round of booster shots for people with weakened immune systems.

On Friday, CDC officials signaled plans to revise guidance to address challenges immunocompromised people have had with getting an additional dose.

The CDC will recommend that those with compromised immune systems who received an mRNA vaccine receive a booster three months after their previous shot. Previously, the recommendation was for a booster five months after the third shot.

According to the CDC, about seven million Americans have weakened immune systems due to cancer treatment medications or advanced HIV.

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