Mortality: Since early January, an increase in mortality has been observed, primarily among older adults. The figures recorded in Week 4 show a slight increase compared to the previous week but remain below the levels recorded during the peak observed in Week 2.

Emergency department visits by vulnerable populationsAccording to available data, emergency department activity among vulnerable populations (under 1 year of age and 75 years and older) is stable or declining. However, activity for those 75 years and older remains close to the alert threshold.

Notifiable Diseases (ND)No unusual situation this week.

Acute gastroenteritis (AGE)Activity is declining in Aquitaine (below epidemic thresholds). Activity is stable and comparable to previous years for France as a whole.

Influenza and influenza-like illnessesIn Aquitaine, activity continues to intensify, with 20% of cases attributed to influenza according to SOS Médecins and 1.3% according to Oscour®, along with an increase in reports of respiratory infections in nursing homes and severe cases of influenza in intensive care.

Bronchiolitis: Activity is relatively stable or even showing a slight resurgence according to SOS Médecins data. The number of cases managed by the AquiRespi network was 113 during the last shift.

Respiratory virology and enterovirus meningitisSignificant circulation of seasonal respiratory viruses according to the Bordeaux University Hospital, notably influenza A and B (41%), rhinovirus (22%), and coronavirus (14%).

Carbon monoxide poisoning (update as of 01/28/15)Since September 2014, there have been 28 incidents of CO poisoning affecting 105 people in Aquitaine (2 deaths). Nationwide, 25 deaths have been recorded since September 2014.