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 ...

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 ...

Health officials say the need for the pneumonia vaccine now depends on age, medical conditions and which vaccine you’ve ...

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 ...

Johnson & Johnson said Wednesday that new data from early trials of a booster shot of its COVID-19 vaccine provides a "rapid and robust increase in spike-binding antibodies" that fight off the virus.

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," ...

As more Americans receive their COVID-19 vaccination daily, many are wondering how long they'll be effective for and whether some people will require booster shots at some point. Dr. Elizabeth Hudson, ...

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 ...

A new study has shown for the first time that an experimental vaccine against Middle East Respiratory Syndrome (MERS) induces ...

After about 1,681 Cornell students tested positive for COVID-19 in the last 10 days, the University announced Tuesday that all students, faculty and staff must receive a booster shot, in addition to ...

A tetanus shot lasts for 10 years, and adults should get a booster every 10 years. You need a tetanus booster shot sooner if you get a deep or dirty cut and it's been more than 5 years since your last ...