Booster

Federal regulators plan to authorize an additional dose for seniors and immunocompromised people in the coming weeks, ahead of the…

In advance of a scientific meeting on Thursday, officials proposed offering new shots to Americans each fall, a strategy long…

Nearly all Americans over 65 got their initial Covid vaccines. But that immunity is waning, and this time, the government…

The research was conducted in part when older variants of the coronavirus were spreading. Other factors may have influenced the…

The move broadens access to the reformulated shots, but only a small fraction of the country’s youngest children are likely…

As winter looms and Americans increasingly gather indoors without masks or social distancing, a medley of new coronavirus variants is…