Centers for Disease Control and Prevention
Centers for Disease Control: Sexually Transmitted Diseases (St Ds)
The Center for Disease Control (CDC) provides a collection of links to a variety of sexually transmitted diseases. Content focuses on bacterial infections (such as gonorrhea, chlamydia, syphilis, and chancroid), STD prevention, and...
American Academy of Family Physicians
Family doctor.org: Conditions a to Z: Std Detection and Prevention
A fact sheet for STDs. General symptoms for the more common diseases are listed and effective prevention is explained.