Highlights

• In Week 03, influenza and influenza-like illness activity remained stable and low for emergency departments in Lorraine and the SOS Médecins Meurthe-et-Moselle association, with 25 and 14 diagnoses, respectively. These conditions thus accounted for only 0.2% of emergency department visits and 1.4% of diagnoses made by SOS Médecins. Regarding the Sentinelles network, the estimated incidence rate also remains low and well below the regional epidemic threshold. In mainland France, the flu epidemic began in Brittany, and 11 other regions (excluding Lorraine) are in the pre-alert phase.

• In week 03, activity related to bronchiolitis in emergency departments decreased again and accounted for 10% of total weekly activity among children under 2 years of age. Regarding the SOS Médecins association in Meurthe-et-Moselle, activity related to this condition decreased slightly to 8.5% of total activity in the under-2 age group. It remains the third most commonly diagnosed condition in this age group by the association’s physicians (after ENT infections and gastroenteritis).

• According to the virology laboratory at the Nancy University Hospital, respiratory syncytial virus (RSV) remains the most frequently identified respiratory virus in week 03. One respiratory specimen tested positive for influenza A virus.

• In Lorraine, activity related to gastroenteritis in the OSCOUR® network’s emergency departments has remained between 1.1% and 1.2% of total diagnoses for the past four weeks.Regarding the SOS Médecins association in Meurthe-et-Moselle, activity related to this condition has remained stable over the past three weeks. It accounts for 9% of the association’s overall activity and is the second most commonly diagnosed condition after ENT infections. These figures are in line with those observed in previous seasons.

• According to data from the virology laboratory at Nancy University Hospital, only rotavirus was isolated in week 03 in stool samples sent for testing for enteric viruses.

• In week 03, four cases of carbon monoxide poisoning (suspected or confirmed) were reported in Lorraine.