Research Letter

Dual Immunization Against RSV With RSVpreF and Nirsevimab

JAMA Pediatrics 10.1001/jamapediatrics.2026.1346

May 18, 2026 at 11:00 AM EDT

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This cohort study aimed to describe RSV-associated lower respiratory tract infection hospitalizations among infants in France who received both maternal RSV-preF vaccination and nirsevimab during the 2024-2025 RSV season.

Corresponding Author: Ludovic Tréluyer, MD, PhD, French National Agency for Medicines and Health Products Safety and French National Health Insurance, 143/147 Boulevard Anatole France, 93285 Saint-Denis Cedex, France (ludovic.treluyer@ansm.sante.fr).

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