Amid confusion over this year's updated COVID-19 vaccines, we explain what's different this year and who experts say should ...

Israel, which has already given a full set of Pfizer/BioNTech vaccinations to over 6% of its citizens, has not registered a single serious COVID-19 case among them, even as infections surge in the ...

The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.

JOHANNESBURG - The omicron variant appears to cause less severe disease than previous versions of the coronavirus, and the Pfizer vaccine seems to offer less defense against infection from it but ...

Looking at COVID-associated outcomes in nearly 300,000 veterans at 6 months, the estimated vaccine effectiveness was 29.3% ...

The updated 2025-2026 COVID-19 vaccines are now widely available, but with some new limitations. Who can get the shot this ...

A new preprint study suggests that Moderna’s COVID-19 vaccine may be significantly more effective against symptomatic disease from the delta variant compared to Pfizer-BioNTech’s vaccine, while the ...

The Centers for Disease Control and Prevention (CDC) recommends the Moderna and Pfizer-BioNTech COVID-19 vaccines for kids as young as 6 months. Vaccines for children can help protect against severe ...

Pfizer says kid-size doses of its COVID-19 vaccine are safe and nearly 91% effective at preventing infections in elementary school children. Details of the study were posted online Friday. FDA ...

Despite a U.S. factory mixup, more Johnson & Johnson doses are becoming available in the U.S., marking the only single-shot vaccine option. So how effective is it and how does it compare to the Pfizer ...

WASHINGTON (AP) — Pfizer Inc. said Friday that its experimental antiviral pill for COVID-19 cut rates of hospitalization and death by nearly 90% in high-risk adults, as the drugmaker joins the race to ...

Pfizer submitted an application for an emergency use authorization of its COVID-19 vaccine candidate to the FDA Nov. 20. If approved, Pfizer said it would be ready to distribute the vaccine within ...