Key Points

• Normandy is entering an epidemic phase for bronchiolitis. Indeed, this week has seen a sharp increase in the number of calls to SOS Médecins and a continued rise in the number of emergency room visits. The circulation of RSV continues to increase, according to data from hospital laboratories.

• The immunization campaign for newborns against RSV infections began on September 1, 2025, and is ongoing. Two strategies are available: either vaccinating the pregnant woman to protect the newborn or infant under 6 months of age, or actively immunizing infants with a monoclonal antibody.