Discussions around whether a COVID-19 vaccine booster is necessary can have seemingly conflicting information. “It’s complicated. This is not just a simple equation,” Dr. Michelle Barron, senior ...

More Americans will soon be able to get a COVID-19 booster shot. A booster is currently available for people who received the Pfizer vaccine at least six months ago. Recipients of the booster must be ...

WEST PALM BEACH, Fla. — Lensey Ackerman got her primary series of the COVID-19 vaccine as soon as she became eligible, in part because she works closely with senior citizens in an assisted living ...

According to a study of more than 5.5 million adults aged 50 years or older, vaccination with the bivalent BA.1 mRNA booster ...

The CDC is encouraging Americans traveling abroad to make sure they are up to date on their polio vaccines ...

There have been hundreds of measles cases reported in the U.S. since the beginning of the year. Here's what you need to know ...

NEW YORK -- In the next month, millions of Americans will get ready to roll up their sleeves for a third dose of the COVID-19 vaccine. But when it comes to booster shots, it's not as simple as "more ...

Moderna said on Monday its updated Covid-19 booster generated "significantly higher" neutralizing antibodies against the Omicron BA.4/BA.5 subvariants than its earlier shot. The bivalent booster used ...

NEW YORK -- This holiday season held promise for Americans, many of whom spent Christmas 2020 in quarantine or away from loved ones due to a nasty winter COVID-19 surge. Yet in the last week or so, ...

Moderna says it is in the process of developing a single-shot vaccine that could serve as a COVID-19 booster shot and a flu shot. In a press release Thursday touting its fifth annual "R&D Day," ...

England, Germany, Spain, and other countries in Europe as well as others in Africa and the Eastern Mediterranean may pose ...