CDC advisers voted Thursday (Sept. 1) to recommend COVID-19 boosters by Pfizer and Moderna that target Omicron subvariants, despite concerns among some members that the vaccines haven’t been tested on people and that two months might not be long enough between shots. Hours later, Centers for Disease Control and Prevention Director Rochelle Walensky endorsed the recommendations of the Advisory Committee for Immunization Practices, paving the way for a vaccination program expected to kick off next week. FDA authorized both boosters...