Highlights

• In Lorraine, influenza and influenza-like illness activity is consistent with what is typically observed at this time of year in the OSCOUR® network’s emergency departments and among the SOS Médecins association in Meurthe-et-Moselle. In week 44, 5 and 3 diagnoses were made by emergency department physicians and association members, respectively. Only one case of a positive influenza A test was identified in week 42.

• In week 44, activity related to bronchiolitis was higher than what is typically observed in the emergency departments of the OSCOUR® network. Doctors made 45 diagnoses of bronchiolitis, which accounts for 6.9% of activity among children under 2 years of age. For the SOS Médecins association in Meurthe-et-Moselle, this activity has decreased compared to previous weeks but remains within expected ranges, with 3 diagnoses made, representing 3.5% of total diagnoses among children under 2 years of age.

• According to virological data from the Nancy University Hospital, the number of positive tests for respiratory viruses has been decreasing since week 42. Two types of viruses are primarily detected: respiratory syncytial virus (RSV) and parainfluenza virus.

• In Lorraine, activity related to gastroenteritis in the emergency departments of the OSCOUR® network and within the SOS Médecins association in Meurthe-et-Moselle remains stable compared to previous years. With 96 diagnoses made in week 44, this activity accounted for 0.9% of all diagnoses in emergency departments. Doctors from the SOS Médecins association in Meurthe-et-Moselle made 56 diagnoses of gastroenteritis and diarrhea, accounting for 6.6% of all diagnoses.

• The number of positive samples for circulating enteric viruses is stable according to data from the Nancy University Hospital. Adenovirus and rotavirus are the two types most frequently detected this year.

• According to available data, no unusual increase in mortality has been observed in Lorraine over the past few weeks. Since the time lag for reporting death data exceeds 7 days, data for week 44 are currently being consolidated.