Key points

Bronchiolitis

• No epidemic activity.

• Decrease in RSV detection according to the virology laboratories at Rennes University Hospital and the virology laboratories at Brest University Hospital.

• Other viruses capable of causing bronchiolitis are circulating, notably rhinoviruses.

• Maternal vaccination and infant immunization with monoclonal antibodies are two alternative strategies for preventing RSV bronchiolitis.

Influenza and influenza-like illness

• Decline in epidemic indicators. Detection of influenza A and influenza B viruses by the virology laboratories at Rennes University Hospital and Brest University Hospital.

• High activity, greater than what was observed in previous seasons.

• The fall vaccination campaign against influenza and COVID-19 began on October 15.

Gastroenteritis

• Moderate activity.

• Indicators are consistent with what was observed in previous years.