US approves first RSV vaccine for use during pregnancy to protect babies

CDC must now weigh in on vaccine to fight respiratory infection in vulnerable newborns

US regulators on Monday approved the first RSV vaccine for pregnant women so their babies will be born with protection against the scary respiratory infection.

RSV is notorious for filling hospitals with wheezing babies every fall and winter. The Food and Drug Administration cleared Pfizer's maternal vaccination to guard against a severe case of RSV when babies are most vulnerable - from birth through six months of age.