U.S. FDA proposes shift to annual COVID vaccine shots
U.S. health officials want to make COVID-19 vaccinations more like the annual flu shot.

U.S. health officials want to make COVID-19 vaccinations more like the annual flu shot.
The agency also shortened the time between the completion of primary vaccination of the Pfizer-BioNTech COVID-19 vaccine and a booster dose to five months from six.