• American Social Health Association ASHA's mission is to stop sexually transmitted diseases (STDs) and their harmful consequences to individuals, families, and communities.

• CDC National Prevention Information Network (NPIN) reference, referral, and distribution service for information on HIV/AIDS, STDs, and TB; sponsored by the U.S. Centers for Disease Control and Prevention.

• Chlamydiae.com The web encyclopedia on Chlamydia and Chlamydiales for evidence-based information, a portal to chlamydial literature plus simple health information and advice on chlamydial genital tract infections.

• Condyloma.org Provides information on sexually transmitted disease, HIV, condyloma and genital herpes treatment.

• Famvir Famciclovir Tablets Learn about genital herpes treatment options, symptoms, and how to manage your herpes outbreaks.

• Genital Warts Online Ranks treatments for genital warts, venereal warts, and condylomas.

• GotHPV.net Lists information and resources. Also includes a forum and chat.

• Health Awareness Connection STD Guide Health education in the prevention of sexually transmitted diseases.

• Herpes Viruses Association Information and advice on herpes simplex from the UK charity formed by patients themselves. Helpline number, membership details.

• HPV FAQ Forum for questions and answers regarding HPV and genital warts.

• Human Development Resource Council International non-profit educational organization specializing in fetal development, pregnancy, sexually transmitted diseases (STD's), abortion, post-abortion syndrome and pre-marital abstinence as the healthy choice.

• International Society for Sexually Transmitted Diseases Research Offers general information, it's upcoming conferences and contact details.

• International Union Against Sexually Transmitted Infections (IUSTI) working to achieve international cooperation in controlling sexually transmitted diseases, including HIV infection.

• iwannaknow.org sexual health and STD prevention information for teens, including games, chat, education, and resources.

• Network for Excellence in Women's Sexual Health (NewShe) operates clinics and provides resources for women dealing with sexual function problems.

• Playing Safely NHS guide to sexually transmitted infections.

• SexTraps Everything you Should Know, and then some! Sexuality, Health, Real Stories, Abortion, Rape, Incest, Std, FAQ, Help, Refuge,

• Sexual Health for Young People YPSH Sexual Health issues covered for young people. Contraception, emergency contraception, prevention of Sexually transmitted Infections, sexuality, clinics, helplines, support groups, travel advice, info on lots on Sexually transmitted Infections.

• Sheer Glyde Dams a thin sheet of natural latex designed for oral sex.

• STD A consumer web site with information about sexually transmitted diseases and therapies.