This vaccine did previously have emergency approval by the FDA for use but can now be marketed in the U.S. for use, the letter said.

After a six-week delay, the US Food and Drug Administration has approved Novavax’s Covid-19 vaccine, according to a letter from the agency, but only for people 65 and older and those 12 and up who have at least one underlying condition that puts them at higher risk of severe illness.

New guidelines for COVID vaccine. Prior to the new guidelines, it was recommended that everyone who is 6 months and older get at least one vaccine per year, with those in higher-0

The agency will narrow its approval for updated coronavirus vaccines, marking a significant shift in the agency’s approach to green-lighting shots that have been recommended broadly to the public.