Men Who Have Sex with Men

In this report, the CDC used the National HIV Surveillance System data to estimate among youths, prevalence rates of diagnosed HIV infection in 2009 and the number of new infections in 2010. CDC used the 2009 and 2010 Youth Risk Behavior Surveillance System for 9th -12th grade students and the 2010 National Health Interview Survey for persons 18-24 years. Prevalence of diagnosed HIV was 69.5 per 100,000 youths at the end of 2009. Youth accounted for 12,200 (25.7 percent) new HIV infections in 2010.

This information sheet discusses the viral infections Hepatitis A, Hepatitis B, and Hepatitis C, which cause liver disease. It describes the modes of transmission for each, the epidemiology of these diseases in the United States, the difference between acute and chronic disease as well as the symptoms, methods of diagnosis, and treatment. The information sheet explains the high risk of these diseases among gay and bisexual men and notes that experts recommend that gay and bisexual men should be tested for Hepatitis B and should be vaccinated for Hepatitis A and B.