The Food and Drug Administration says it has decided to continue approving COVID-19 vaccine updates for seniors and others at higher risk of severe disease, but will require vaccine makers to conduct major new clinical trials before approving them for wider use.

US Food and Drug Administration officials are changing the agency's standards for updated COVID-19 booster shots with focus on seniors, high-risk persons.

In a major policy change, the Food and Drug Administration has announced a plan to limit access to future COVID-19 shots only to people over 65 years old or those with an underlying health condition.