C.D.C. Chief Overrules Agency Panel and Endorses Pfizer Boosters for Frontline Workers

The C.D.C. panel’s guidance followed weeks of internal disagreement and public debate among American health officials and advisers. In mid-August, President Biden announced plans for a booster rollout, but scientists and regulators were quick to point out there was little research on who might benefit and how the doses should be distributed. The F.D.A.’s acting…