New RSV shot for babies shows strong protection in massive study

NCT ID NCT06325332

First seen Nov 06, 2025 · Last updated May 12, 2026 · Updated 28 times

Summary

This study looked at how well the medicine BEYFORTUS (nirsevimab) prevents serious RSV infections in babies. Nearly 50,000 infants were included, and researchers tracked doctor visits, hospital stays, and lab-confirmed RSV cases. The goal was to see if the shot reduces severe breathing problems and other complications from RSV.

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Contacts and locations

Locations

  • Kaiser Permanente Northern California: Site number 0001

    Oakland, California, 94612, United States

Conditions

Explore the condition pages connected to this study.