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Hepatitis B is a serious liver infection caused by a virus. It is usually spread from person to person through…
Girls—and boys—can both benefit from getting the human papillomavirus (HPV) vaccine. The vaccine reduces chances of developing some cancers later…
Sexually transmitted infections (STIs) are infections spread by sexual contact.
Any sexual activity involving a child is sexual abuse and has long-term effects. Learn how to recognize signs of abuse…
Sexual health impacts your physical, mental, emotional, and social well-being. Getting educated and respecting yourself and others is key.
Herpes is a group of viruses that cause blisters and sores. They usually appear near your mouth or on your…
Chlamydia is a bacterial infection that affects both men and women. It is spread through oral, vaginal, or anal…
Human papillomavirus (HPV) is a common sexually transmitted infection that can cause genital warts and certain types of cancer. A…
Learn about sexually transmitted infections and how you can prevent them.
Syphilis is a serious infection passed from one person to another through sexual contact.
Visit our interactive symptom checker