U.S. Air Force photo by Airman 1st Class Kevin Tanenbaum

An environmental health specialist from the Southern Nevada Health District briefs Airmen from the 99th Aerospace Medicine Squadron on various traps that will be used to capture mosquitos carrying pathogens including the zika virus, at Nellis Air Force Base, Nev., April 1. Entomology, or the study of insects, is only one of the six fields that the public health flight specializes in.