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?

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

LONDON - Johnson & Johnson’s booster dose of its vaccine was found to be 94% effective against symptomatic COVID-19 in the United States when administered two months after the first shot, the ...

Research links COVID vaccination to higher acute kidney injury risk within one year, though vaccinated people showed lower overall death rates from all causes.

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

WASHINGTON -- Moderna submitted its application to the U.S. Food and Drug Administration for emergency use authorization of its updated COVID-19 vaccine booster for use in people age 18 and ...

A wave of lawsuits with novel strategies show that the search for Covid vengeance — and jury awards — has gained force under ...

NEW YORK, N.Y. – Pfizer Inc. on Monday released detailed analyses of myocarditis cases linked to its COVID-19 vaccine, ...

COVID-19 risk might be much lower than in past summers, but it’s not gone - making a pre-Christmas booster for some a good idea.