In a latest examine of a inhabitants of infants, printed on-line Might 6 in Pediatrics, 72% of infants had been discovered to be immunized in opposition to respiratory syncytial virus (RSV).
Stephanie A. Irving, from Kaiser Permanente Middle for Well being Analysis in Portland, Oregon, and colleagues recognized pregnant ladies aged 12 to 55 years with a dwell delivery of ≥32 weeks of gestation from Sept. 22, 2023, by means of March 31, 2024. RSV vaccination was recognized utilizing digital well being information supplemented with knowledge from the immunization info system.
Nirsevimab administration by means of March 31, 2024, was recognized amongst infants from eligible pregnancies. Toddler RSV immunization, outlined as publicity to antenatal vaccination or nirsevimab receipt, was examined.
Information had been included for 36,949 eligible infants from 43,722 pregnancies. The researchers discovered that 72% of infants had been immunized in opposition to RSV, with the very best estimates amongst infants born to non-Hispanic Asian moms (84%).
Disparities had been seen by race, with protection of 60% for infants born to non-Hispanic Black or non-Hispanic Center Jap or North African moms. By delivery month, protection diversified from 59 to 78%; nirsevimab was administered extra usually amongst infants born earlier within the season.
“Despite these successes, more than a quarter of infants enrolled in these health care systems remained unprotected from severe RSV, including 40% of infants born to non-Hispanic Black and non-Hispanic Middle Eastern or North African mothers,” the authors write. “RSV product usage and coverage disparities should be explored in other populations.”
A number of authors disclosed ties to the pharmaceutical trade.
Extra info:
Stephanie A. Irving et al, Toddler Respiratory Syncytial Virus Immunization Protection within the Vaccine Security Datalink: 2023–2024, Pediatrics (2025). DOI: 10.1542/peds.2024-070240
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72% of infants immunized in opposition to respiratory syncytial virus (2025, Might 6)
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