Can the Up to date Bivalent Boosters Assist Stop An infection and Reinfection? When omicron got here on the scene late final 12 months, readily infecting even immunized folks, federal well being officers urged vaccine makers to retool their photographs and provide you with a formulation that might goal this new variant. By September 1, each the U.S. Meals and Drug Administration and the CDC had green-lighted up to date boosters from Pfizer and Moderna....