In a major policy shift, federal health officials anticipate the shots will be made available to adults 65 and older as well as children and younger adults who have one or more risk factors that make them more vulnerable to severe COVID-19.

The Trump administration announced Tuesday that going forward, COVID-19 vaccines would be FDA-approved only for people over age 65 or those at risk for severe infection.

The US Food and Drug Administration is changing the way it approves Covid-19 vaccines for Americans. The agency is changing the standard of evidence required for Covid-19 vaccine approval in the US, Dr.