
VaccinesSeptember 2, 2022
Omicron-Specific Booster Shots: 5 Questions Answered
The U.S. Food and Drug Administration has authorized updated COVID booster shots that target the Omicron BA.4 and BA.5 subvariants. Here’s what experts know
Mitzi Nagarkatti is a professor of pathology, microbiology and immunology at the University of South Carolina.

Omicron-Specific Booster Shots: 5 Questions Answered
The U.S. Food and Drug Administration has authorized updated COVID booster shots that target the Omicron BA.4 and BA.5 subvariants. Here’s what experts know