Summary

• During week 33 (August 14–20, 2017), visits to emergency departments rose slightly among children (+5.6%) and adults (+3.8%). Hospitalizations remained stable across all age groups.

• Visits for most seasonal conditions were stable or declining, with the exception of emergency room visits for bites or contact with animals or insects and burns, which increased among children (+22% and +19%, respectively) and adults (+17.6% and +15.7%). There were also some slight increases, notably in visits for isolated fever among those aged 15–74 (+11%), for malaise (+5%), and for asthma and allergies (+20% and +18%, respectively—small sample sizes) among those aged 75 and older, as well as for allergies among children (+10%).

• Among the most common conditions, there was an increase in visits for gastroenteritis among children under 15, for urinary tract infections among children under 2, and for neurological problems among children aged 2–14. Among adults, the most common conditions are all stable or declining, with the exception of claims for urinary tract infections, ENT conditions, and anxiety disorders, which rose by 10.7%, 11.6%, and 10.3%, respectively, among adults aged 15–74.