With the Delta variant in play, federal health officials are analyzing the latest numbers to look at the frequency and seriousness of COVID-19 breakthrough infections. Will we need booster shots? And ...

Health experts are reinforcing the point that full vaccination remains highly effective against severe illness and death caused by COVID-19 as federal regulators consider the possibility of ...

When should I get my next COVID booster shot? Health experts say the best time to get a COVID booster shot is in the early fall, with mid-September through October offering the strongest protection.

CHICAGO — On Friday, the Centers for Disease Control and Prevention (CDC) advisory committee on immunizations will be meeting to discuss a strategy for booster shots. Some countries are already ...

As the Christmas season looms, with its crowded end-of-year parties, family gatherings and busy travel schedules, many New ...

This is a major update to a story that was first published earlier in September. It reflects what readers need to know after an important vaccine advisory panel met on Thursday and Friday. Getting a ...

Pfizer and BioNTech said Wednesday that initial lab tests show that the omicron variant partly escapes protection offered by the companies' two-dose regimen of their COVID-19 vaccine. However, those ...

The group will discus and vote on whether to recommend Pfizer booster shots. The Food and Drug Administration's independent advisory committee will convene in open session Friday to review the latest ...

Researchers at University of Tsukuba have demonstrated that during Japan's COVID-19 booster vaccination campaign, online ...