Summary

• In week 31 of 2017 (July 31–August 6), emergency department visits for all causes remained stable among children under 15 and adults aged 15–74, but rose slightly among those aged 75 and older (+3%). Hospitalizations increased by 5% among children under 2 years of age but decreased among those aged 2–14 (-4%). They remained stable among adults. Overall activity remained at the same levels as in the previous two years.

• Among seasonal conditions, there has been an increase in visits for heat-related illnesses across all age groups. The proportion of this indicator remains at typical levels for this period. Among adults, there is also an increase in visits for isolated fever (+8%), allergies (+7%), conjunctivitis (+4% among those aged 15–74), insect bites (+15%), and burns (+11%). Among children under 2 years of age, an increase is noted for general malaise (+22%), allergies (+26%), and conjunctivitis (+16%). Finally, against the backdrop of a seasonal decline in the epidemic, visits for meningitis among children are once again on the rise, but remain at levels comparable to those of the previous two years.

• Most of the most common conditions are also stable or declining across the various age groups. However, a slight increase is noted among 2- to 14-year-olds for abdominal pain (+6%) and gastroenteritis (+7.5%). Among adults, an increase is observed for ENT conditions among those aged 15–74 (+10%) and for pneumonia (+9%) and dyspnea/respiratory failure (+12%) among those aged 75 and older.