This document discusses several viruses: human papilloma virus, feline leukemia virus, herpes simplex virus types 1 and 2, and herpes gladiatorum. It provides information on prevalence and transmission of each virus, including that herpes gladiatorum is a skin infection caused by HSV-1 that affects wrestlers. Sources are cited for information on feline leukemia virus, HSV seroprevalence in the US from 1999-2010, and skin infections in athletes.