This dataset includes the number of visits for heat-related illness (HRI) at emergency departments and urgent cares in Virginia by year (includes visits from May-September only), by patient geography, and by 10-year age group. VDH health regions are assigned using the patient's residential zip code for Virginia residents. Patients with non-Virginia or unknown zip codes are grouped as 'Out of State.' Data set includes HRI visits between May through September only for years 2015 through the current year (year-to-date). When data set is downloaded, the years will be sorted in ascending order, meaning that the earliest year will be at the top. To see data for the most recent year, please scroll down to the bottom of the data set.