PITTSBURGH – Walking pneumonia is surging right now. The CDC says cases in children between the ages of 2 and 4 are up 700% compared to six months ago. “These are kids that have a cough, maybe a low-grade fever. A lot of fatigue. very, very tired. so they’re able to function; however, the sickness continues for quite some time,” Dr. Joseph Aracri, the Assistant Chair of Pediatrics for AHN said.