Most Americans have some immunity from prior infections or vaccinations, but data shows under a quarter of U.S. adults took last fall's COVID-19 shot. The Biden administration has given out 1.8 ...

The Biden administration next month will relaunch a program for every American to order free COVID-19 tests through the ... being able to get that shot in the arm is what we really need to have ...

Doctors share when to get the new COVID-19 shot, its side effects, what variants it protects against, how soon to get a ...

WATCH: Nobel in medicine goes to scientists whose work on mRNA led to COVID vaccine Hungarian-American Katalin Karikó and American Drew Weissman were cited for contributing vaccine development ...