The US Centers for Disease Control and Prevention strengthened recommendations for booster doses of coronavirus vaccine Monday, saying all adults should get boosted six months after the second dose of ...

Cases of the new COVID-19 variant NB.1.8.1, linked to a large surge in China, have been detected in multiple locations across the United States, according to the Centers for Disease Control and ...

A third dose of the Pfizer/BioNTech COVID-19 vaccine can "strongly" boost protection against the delta variant -- beyond the protection afforded by the standard two doses, suggests new data released ...

COVID-19 is seen on the rise again in the United States as late summer sets in full-swing, and while health officials plan to restrict booster shots. Experts say that although cases of the new ...

Neutralizing antibody levels rose 37-fold one month after the booster was given. Moderna announced Monday that its COVID-19 vaccine booster increases antibody levels against the omicron variant within ...

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? And ...

(NEXSTAR) – Depending on when you last got vaccinated, that COVID-19 shot may no longer be a good match for the variants expected to dominate this fall and winter. As a virus circulates, it continues ...

The U.S. on Wednesday authorized its first update to COVID-19 vaccines, booster doses that target today's most common omicron strain. Shots could begin within days. The move by the Food and Drug ...

Delaware officials say the overall number of COVID-19 cases is falling – there have been just over 5,200 reported cases this year, according to the Delaware Department of Health and Social Services – ...

A lot has happened with COVID-19 vaccines in the past few years, making it difficult to keep up. You’re probably aware on some level, though, that there was an updated vaccine released in the fall.