U.S. regulators have approved the first RSV vaccine for pregnant women to protect their newborns.
This image provided by Pfizer shows the RSV vaccine. U.S. regulators on Monday, Aug. 21, 2023, approved the first RSV vaccine for pregnant women so their babies will be born with protection against the scary respiratory infection. – U.S. 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 a coldlike nuisance for most healthy people but it can be life-threatening for the very young. It inflames babies’ tiny airways so it’s hard to breathe or causes pneumonia. In the U.S. alone, between 58,000 and 80,000 children younger than 5 are hospitalized each year, and several hundred die, from the respiratory syncytial virus.was extremely harsh in the U.S., and it began sickening tots in the summer, far earlier than usual.
Pfizer's study included nearly 7,400 pregnant women plus their babies. Maternal vaccination didn’t prevent mild RSV infection — but it proved 82% effective at preventing a severe case during babies’ first three months of life. At age 6 months, it still was proving 69% effective against severe illness.
The only other option to guard babies from RSV: Giving them lab-made antibodies. The FDA recently approved athat’s the first one-dose version, recommended for all infants younger than 8 months before their first RSV season starts. Beyfortus, from Sanofi and AstraZeneca, is expected to be available this fall.
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