Across the country, as more breakthrough COVID-19 cases are reported, some people still not vaccinated have raised questions about getting the shot. But doctors said that, yes, getting vaccinated ...

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, ...

To help answer common vaccine questions, we consulted Dr. Stanley Perlman, a professor at the University of Iowa’s Carver ...

Add Yahoo as a preferred source to see more of our stories on Google. As states grappled with confusion around vaccines, COVID-19 cases have continued to fluctuate nationwide. Some regions of the ...

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 ...

With the more contagious delta variant strain of COVID-19 spreading throughout the country, hospitalizations and deaths from the virus are on the rise. According to the Centers for Disease Control and ...

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 ...

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 ...

The effectiveness of last season's COVID vaccines among immunocompetent adults reached 40% against hospitalization and 79% ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — Three senators said ...

A growing proportion of COVID-19 deaths are occurring among the vaccinated, a new ABC News analysis of federal data shows. In August of 2021, about 18.9% of COVID-19 deaths occurred among the ...