A Gainesville native has joined an elite fellowship program of “disease detectives” at the Centers for Disease Control and Prevention. Selected each year from a highly competitive pool of hundreds of medical doctors, veterinarians and PhD recipients, Epidemic Intelligence Service officers work across the country and around the world to keep Americans safe from a variety of health threats. Gainesville native Jason Lake, 35, is one of 60 chosen as part of the CDC’s 2015 class.