“Genital Herpes Fact Sheet,” U.S. Centers for Disease Control and Prevention
http://www.cdc.gov/std/herpes/stdfact-herpes.htm

“Genital Herpes Health Center,” WebMD.com
http://www.webmd.com/genital-herpes/default.htm

The American College of Obstetricians and Gynecologists
http://www.acog.org/publications/
patient_education/bp054.cfm