Sanofi accelerates global shipping of Beyfortus to prepare healthcare providers months ahead of 2025-2026 RSV season Paris, June 9, 2025. Sanofi is shipping Beyfortus (nirsevimab) starting in early Q3 to ensure broad availability well ahead of the 2025-2026 respiratory syncytial virus (RSV) season, which typically starts in November and runs through March. Immunizations begin in early fall and these advance shipments provide confidence for healthcare providers to support their efforts. Demand haRead More
