Key Findings

• A return to normal levels of all-cause mortality among people aged 85 and older was observed starting in week 02.

• For the two SOS Médecins d'Alsace associations, activity related to influenza and influenza-like illnesses continues to rise and currently accounts for approximately 20% of each association’s caseload. In week 05 (January 26–February 1), the epidemic continued nationwide.

• Since September 1, 2014, 77 respiratory specimens have tested positive for the influenza virus, including 49 in weeks 03 and 04.

• The occurrence of severe influenza cases requiring hospitalization in intensive care units continues. Since November 1, 2014, the 12 intensive care units in Alsace have reported 21 cases, 3 of whom have died. Nearly all cases are linked to the type A virus.

• In week 04 (January 19–25, 2015), 87 respiratory samples were collected, and among the positive results, 28 were for influenza (32%).

• In week 05, the number of bronchiolitis diagnoses made by the SOS Médecins associations in Alsace remained low. The proportion of bronchiolitis diagnoses accounted for just over 5% of these associations’ total activity in week 05.

• In week 05, the weekly number of diagnoses of gastroenteritis and diarrhea made by the SOS Médecins associations in Alsace remained low.