Posted innews Pediatrics Respiratory
Nirsevimab Halves RSV Bronchiolitis Risk in Infants — High Effectiveness Sustained Despite Emergent RSV‑B Mutations
A multicenter test-negative case-control study in France found high and sustained effectiveness of nirsevimab against RSV bronchiolitis in infants across two consecutive seasons (83.2% and 89.3%), despite emergence of RSV-B mutations.



















