Omicron boosters aren’t very effective against mild illness

Kizzy D. Blount

A healthcare worker administers a dose of the Pfizer-BioNTech Covid-19 vaccine at a vaccination clinic in the Peabody Institute Library in Peabody, Massachusetts, U.S., on Wednesday, Jan. 26, 2022. Vanessa Leroy | Bloomberg | Getty Images The new omicron Covid boosters probably aren’t very effective at preventing Covid infections and […]