The effectiveness of a single respiratory syncytial virus (RSV) vaccine dose declined among older adults, potentially suggesting the need for booster shots among this demographic. That is according to ...

Real-world effectiveness with the recommended single dose of respiratory syncytial virus (RSV) vaccination dipped in older ...

Health experts are reinforcing the point that full vaccination remains highly effective against severe illness and death caused by COVID-19 as federal regulators consider the possibility of ...

Covid booster shots are here for children ages 12 and up — just in time for kids to go back to school after the holidays, as omicron surges across the country. Kids are now eligible for those booster ...

Johnson & Johnson says it's seeing significant benefits from its COVID vaccine booster shot. At the same time, some local researchers are trying to determine if combining the different vaccines might ...

NEW YORK (WABC) -- Just like flu vaccines, which are adjusted each year to combat viruses as they change and mutate, COVID-19 vaccines may need similar alterations until infection rates decrease, a ...

On Monday, the U.K. became the first country to approve a bivalent vaccine booster shot for adults, which would target both the original COVID virus and the Omicron variant. This vaccine, which is ...

Research links COVID vaccination to higher acute kidney injury risk within one year, though vaccinated people showed lower ...