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 ...

More than 99.99% of people fully vaccinated against Covid-19 have not had a breakthrough case resulting in hospitalization or death, according to the latest data from the US Centers for Disease ...

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, ...

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 ...

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 ...

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 ...