About one in five adults in the U.S. has genital herpes. Anywhere from 50 to 80 percent of U.S. adults has oral herpes. Herpes simplex virus infection is thus a very common infection--but not necessarily well understood. Myths and misconceptions about herpes abound. Fortunately, ASHA offers a number of brochures and publications to clarify the basic facts about herpes for both patients and providers.