Emergency room visits for influenza and acute respiratory illness in Clark County have been slowly rising since December, mirroring state and national trends.
Emergency room visits for influenza are up 1.8 percent since mid-December, according to Clark County Public Health data. Acute respiratory illnesses were up 2.7 percent. They accounted for 14.2 percent of total emergency visits in the week of Dec. 21 to 27, the highest this season.