Not enough data to support multiple annual COVID boosters, U.S. CDC advisers say

The agency currently recommends older and immunocompromised people receive COVID booster shots more frequently since vaccine effectiveness usually wanes faster for those populations compared to younger people with robust immune systems. Patients receive stickers after receiving the coronavirus disease (COVID-19) booster vaccine targeting BA.4 and BA.5 Omicron sub variants at Skippack Pharmacy in Schwenksville, Pennsylvania, U.S., September 8, 2022. Photo: Reuters The CDC advisers did not vote on new recommendations for how the COVID-19 shots should be administered on Friday. Patients receive stickers after receiving the coronavirus disease (COVID-19) booster vaccine targeting BA.4 and BA.5 Omicron sub variants at Skippack Pharmacy in Schwenksville, Pennsylvania, U.S., September 8, 2022. About 53.3 million people in the United States - around 16% of the U.S. population - have received a COVID-19 booster shot since updated versions of the vaccines were authorized in September.