FDA Tells Vaccine Makers to Update Boosters to Target Omicron Subvariants
THURSDAY, June 30, 2022 (HealthDay News) — The U.S. Food and Drug Administration announced Thursday that it has asked vaccine makers to update their COVID-19 booster shots to target the Omicron subvariants known as BA.4 and BA.5. The two highly contagious subvariants now account for more than half of allContinue Reading