For adults, vaccines proved to be safe and powerfully protective in clinical trials and were speedily authorized for use. But the trials in children were ...

The vaccine does protect against severe illness, and booster shots increase the protection.

New studies suggest that several parts of the immune system can mount a sustained, potent response to any coronavirus variant.

Next week, advisers to the U.S. FDA will decide whether to endorse two doses of the vaccine for children 6 months to 4 years old, ...

Several recent studies have found that vaccination alone, without boosters, remained strongly protective against severe illness and death in most people, even after omicron’s appearance.

Nasal vaccines may be the best way to prevent infections long term, because they provide protection exactly where it is needed to fend off the ...