Finn Black

Hepatitis is is an inflammation of the liver almost always caused by different hepatitis viruses. Learn about prevention and treatment for hepatitis A, B, C, and beyond.

About one in five people in the United States over age 12 — approximately 45 million individuals — are infected with HSV-II, the virus that causes genital herpes. Around 50-80 percent of the adult population has oral herpes, which most people contract through nonsexual contact in childhood.

Is pre-exposure prophylaxis (PrEP) for HIV prevention right for me? When should I use post-exposure prophylaxis (PEP)? Get the answers to these and other PEP/PrEP questions, right here!

What do you really know about HIV and AIDS? How sure are you that what you know is correct or complete, and how much do you think it matters that you know about HIV and AIDS at all?

As many as one in four Americans have HPV.