This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Bob Sirott is joined by Chief Medical ...

Confused? Health experts say regulators respond to data as it becomes available. The staggered authorization in the U.S. of booster shots for three different brands of coronavirus vaccineshas been ...

The U.S. Food and Drug Administration on Wednesday amended the emergency use authorizations for COVID-19 vaccines to allow for the use of a single booster dose of the Moderna and Johnson & Johnson ...

INGLEWOOD, Calif. (KABC) -- There are lots of questions surrounding the COVID-19 booster shot now that millions of Americans are eligible to receive it. Since learning people can mix and match that ...

WASHINGTON (SBG) — Millions of Americans who are now eligible for COVID-19 booster shots are wondering whether they should stick with the same vaccine or switch to a different shot after U.S.

WASHINGTON — Federal regulators are expected to authorize the mixing and matching of COVID-19 booster doses this week in an effort to provide flexibility as the campaign for extra shots expands. The ...