Last fall, U.S. health officials authorized new COVID-19 booster shots designed to target the original strain of the coronavirus and some of the Omicron subvariants that were circulating around that ...

You might wonder how long after you have contracted COVID-19 you can get a booster. The Centers for Disease Control (CDC) advises that you receive a booster dose of the Moderna or Pfizer vaccine ...

People ages 65 and up should get another dose of a COVID-19 vaccine this spring, given the age group’s higher risk of severe disease and death from the pandemic virus, the Centers for Disease Control ...

WASHINGTON -- People with certain health conditions that make them moderately or severely immunocompromised may get a fourth mRNA COVID-19 shot, according to updated guidelines from the US Centers for ...

In a recent study published in The Lancet Regional Health Western Pacific, researchers compare the immunogenicity, reactogenicity, and safety of a half-dose Pfizer-BioNTech BNT162b2 coronavirus ...

U.S. regulators on Tuesday cleared another booster dose of the Pfizer or Moderna COVID-19 vaccines for older Americans and people with weak immune systems. The Food and Drug Administration also took ...

A booster (third) dose of a SARS-CoV-2 vaccine was associated with a 90% reduction in death in people with multiple health conditions compared to 2 doses, according to a new study from Hong Kong ...

WASHINGTON (AP) — U.S. regulators on Tuesday cleared another booster dose of the Pfizer or Moderna COVID-19 vaccines for older Americans and people with weak immune systems. The Food and Drug ...