Key Findings

• In Week 1, there was an increase in activity related to influenza and influenza-like illnesses compared to the previous week in emergency departments, SOS Médecins clinics, and the Sentinelles network. However, activity remains low in the Lorraine region, as well as at the national level and across Europe.

• In Lorraine, there was a continued decline in bronchiolitis-related activity in emergency departments. In Week 1, there were 96 emergency department visits, with a hospitalization rate of 35%. This activity accounts for 12% of all diagnoses in children under 2 years of age. A decrease in bronchiolitis diagnoses is also observed at the SOS Médecins association in Meurthe-et-Moselle. In Week 1, this condition accounted for 6% of their cases among children under 2 years of age.

• According to the virology laboratory at Nancy University Hospital, respiratory syncytial virus (RSV) was the most commonly identified respiratory virus in Week 1.

• In Lorraine, activity related to gastroenteritis in the emergency departments of the OSCOUR® network remained stable compared to the previous week. With 135 emergency department visits in Week 1, this activity accounted for 1% of all diagnoses in emergency departments. Regarding the SOS Médecins association in Meurthe-et-Moselle, a slight increase in diagnoses was observed. In Week 1, the association’s physicians made 89 diagnoses of gastroenteritis and diarrhea, accounting for 9% of all diagnoses.

• In Week 1, no samples for circulating enteric viruses tested positive according to data from the Nancy University Hospital. However, the number of samples was very low.

• During Week 1, 5 cases of carbon monoxide poisoning (suspected or confirmed) were reported in Lorraine.