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 ...

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 ...

Moderna’s latest Covid booster appears to work against the BA.2.86 omicron subvariant, the drugmaker said in a release Wednesday. The updated booster generated a strong antibody response against ...

"We are encouraged by these new data, which reinforce our confidence that the Moderna COVID-19 Vaccine should be protective against these newly detected variants," Moderna CEO Stéphane Bancel said in ...

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 ...

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 ...

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 ...