Find out how different vaccines for the coronavirus cause your body to create antibodies that fight the virus.

CHICAGO -- Moderna announced interim results of its Covid-19 vaccine for children younger than 6 on Wednesday. The company said two 25-microgram doses of its Covid-19 vaccine for children ages 6 ...

On December 18, a San Diego emergency room nurse was given a shot of the COVID-19 vaccine. A week later, he tested positive for the virus, CNN affiliate KGTV reported. Stories like this will become ...

Despite a U.S. factory mixup, more Johnson & Johnson doses are becoming available in the U.S., marking the only single-shot vaccine option. So how effective is it and how does it compare to the Pfizer ...

Ian Haydon helped test Moderna's coronavirus vaccine last year. Now, he's helping test the tweaked version of that vaccine designed to fight a new, more contagious variant. "A year ago I tried the ...

Amid uncertainty over how the Trump administration would approach mRNA COVID-19 vaccines for the upcoming respiratory virus season, the FDA has approved updated shots from Pfizer and Moderna. But ...

CAMBRIDGE, MA / ACCESS Newswire / October 22, 2025 / Moderna, Inc. (NASDAQ:MRNA) today announced topline results from a Phase 3 pivotal trial evaluating the efficacy of mRNA-1647, the Company's ...