Key Points

• According to data from the Unified Influenza Network, the influenza epidemic threshold has been exceeded since Week 5.

• In the Lorraine region, an increase in influenza-related activity has been observed, according to data from emergency departments as well as from the Unified Influenza Network.

• At the national and regional levels, influenza A remains the dominant strain.

• Bronchiolitis activity remains stable in Lorraine, as does the number of positive RSV samples, according to data from the virology laboratory at Nancy University Hospital.

• Gastroenteritis activity remains steady in Lorraine.

• According to data from the virology laboratory at the Nancy University Hospital, rotavirus is the main circulating virus.