NEW YORK -- As Americans brace for the possibility of another difficult winter ahead in the nation's fight against coronavirus, there is a renewed sense of urgency to get as many people inoculated and ...

The BNT162b2 KP.2 vaccine effectively prevents severe COVID-19 outcomes, including hospitalizations and ED or UC visits.

This story first appeared at ProPublica. ProPublica is a Pulitzer Prize-winning investigative newsroom. Sign up for The Big Story newsletter to receive stories like this one in your inbox. Meggan ...

The death of 84-year-old former U.S. Secretary of State Colin Powell, who was fully vaccinated, has highlighted how older, immunized adults are still at risk for severe COVID-19 breakthrough ...

LAS VEGAS, NEVADA -- A California couple says they were fully vaccinated, but still contracted COVID-19 while on vacation as experts say breakthrough cases are possible, especially with the delta ...

In the early days of the coronavirus vaccine rollout, scientists were hopeful it might herald the long-awaited turning point of the pandemic, not only bringing the threat of severe disease, ...

Recently released data show that females in Idaho reported post-vaccination coronavirus infections at higher rates than females across the country. Nine in 10 of the more than 190 COVID-19 vaccine ...