Key points

Mortality: observed figures are close to what is expected for this period.

Emergency department visits by vulnerable populations: among children under 1 year of age and adults aged 75 and older, emergency department activity is stable or declining, with figures close to those expected for this time of year.

Virology: The number of positive respiratory virus samples from the laboratories at the Bordeaux and Poitiers University Hospitals is decreasing in week 13 (56 positive samples). At the Poitiers University Hospital, of the 36 positive samples, the majority were for rhinovirus/enterovirus (21 samples), adenovirus, RSV, and coronavirus (3 samples each). At the Bordeaux University Hospital, of the 20 positive samples, the majority were also for rhinovirus/enterovirus (10 samples).

Gastroenteritis: activity is stable according to SOS Médecins and Oscour® data, with values close to expected levels, below the alert thresholds for both data sources.

Bronchiolitis: activity is declining according to SOS Médecins data, and stable according to Oscour® data. Indicators are at the expected levels for this time of year. Activity in the AquiRespi network is stable, with 52 cases treated during the last shift.

Influenza and influenza-like illnesses: low influenza activity in hospital emergency departments and for SOS Médecins, with values below alert thresholds. No new severe cases of influenza were reported in week 13; the total number of severe influenza cases stands at 86 since November 1, 2016, including 19 deaths. Three clusters of acute respiratory infections (ARI) have been reported in long-term care facilities since the start of week 13-2017. Nationally, all indicators are at baseline levels, and sporadic detection of influenza viruses is observed in hospitals.

Reportable Diseases (MDO):

• - An increase in sporadic cases of hepatitis A among males has been observed in the region since early 2017.

• - The increase in reported measles cases in the region since January 2017 indicates that the virus is actively circulating in several departments of the region. A cluster of cases has been identified (6 reported cases) in the municipality of Saint-Junien (87).

Allergies (indicator not included in the body of the document): Increase in allergies in Nouvelle-Aquitaine according to data from the SOS Médecins associations, particularly among children under 2 years of age. The same trend has been observed at the national level. Note: a birch pollen alert is in effect for the northern part of the region.