Sep 1, - Genital Herpes Fact Sheet from CDC. What is Herpes Be aware that not all herpes sores occur in areas that are covered by a latex condom. Also, herpes . Resources: CDC National Prevention Information Network (NPIN). Jan 2, - The efficacy of male condom use in preventing herpes simplex virus-2 transmission among HIV-1 and herpes simplex virus-2 serodiscordant.