Key Points

Mortality: In Nouvelle-Aquitaine, as at the national level, the number of deaths—across all age groups and among those aged 75 and older—recorded during week 42 of 2016 follows the usual seasonal trend in mortality for this period.

Emergency room visits by vulnerable populations: continued increase in emergency room visits among those aged 75 and older, with figures above the alert threshold for the second consecutive week, with no specific conditions identified; activity on the rise for children under 1 year of age.

Virology: Among the 48 samples positive for respiratory viruses from the laboratories at the Bordeaux and Poitiers university hospitals, 34 were positive for rhinovirus (15 in Bordeaux and 19 in Poitiers), 5 for adenovirus (1 in Bordeaux and 4 in Poitiers), 2 for metapneumovirus (in Poitiers), 2 for parainfluenza (in Poitiers), and 1 for coronavirus (in Bordeaux). Four cerebrospinal fluid samples positive for enterovirus were reported (all in Bordeaux).

Gastroenteritis: activity remains high, above the epidemic threshold for SOS Médecins consultations, accounting for 10% of total activity, down from the previous week. Activity is stable, below the alert threshold, for emergency room visits. Moderate to high activity nationwide, depending on the source.

Bronchiolitis: activity close to expected levels for this time of year according to data from the Oscour® and SOS Médecins networks. 49 children were treated by the AquiRespi network during the last on-call period (October 29 and 30). Indicators continue to rise at the national level.

Influenza and influenza-like illnesses: indicators at baseline levels.

Chikungunya, Dengue, and Zika – Enhanced surveillance as of November 3, 2016: since May 1, when enhanced surveillance began in the five departments of the former Aquitaine region colonized by Aedes albopictus, 186 suspected cases have been reported. Among these, 24 cases of dengue, 57 cases of Zika, and 1 dengue/Zika co-infection—all imported—have been confirmed. One case of Zika transmitted sexually has been confirmed. There are no cases of indigenous vector-borne transmission.

Reportable Diseases (MDO): no unusual events in the region during week 43.