The Food and Drug Administration (FDA) has approved the first vaccine meant to prevent infections in infants, with the new drug designed to be administered to pregnant mothers in their third trimester so their newborn infants can have protection from the moment they’re born. The single-dose injections called Abrysvo is made by Pfizer and has been approved for use between 32 through 36 weeks of pregnancy. Abrysvo has already been approved for use in preventing respiratory syncytial virus (RSV) in