The Food and Drug Administration has approved updated COVID-19 vaccines to protect against currently circulating variants, and the shots have shown to be more effective than the now-available ...

T hree updated COVID-19 vaccines were rolled out earlier this month, and experts say they are incredibly effective at ...

The Oxford/AstraZeneca Covid vaccine is safe and effective, giving good protection, researchers have confirmed in The Lancet journal. Most in the study were younger than 55, but the results so far ...

They're calling it "silent" because the wave follows a long period of unusually low COVID activity this fall, so many people ...

The BNT162b2 XBB vaccine shows 68% effectiveness in children aged 5-11 and 63% in those aged 12-17 against severe COVID-19 outcomes. The study involved 15,233 children, with a diverse demographic ...