In its Friday approval letter, the FDA didn’t explain the restrictions although they reflect skepticism about ...

The vaccine will only be available to those at high risk from Covid—excluding those who may need it to protect a relative or ...

After a six-week delay, the US Food and Drug Administration has approved Novavax’s Covid-19 vaccine, according to a letter ...

The agency narrowed who can get the shot and added new study requirements that could cost the company tens of millions.