Alexandra M. Oster, M.D.; Richard Wolitski, Ph.D.; Isa W. Miles, Sc.D.; Binh C. Le, M.D.
Although men who have sex with men (MSM) comprise an estimated 2% of the overall U.S. population aged ≥13 years,1 59% of persons with diagnoses of human immunodeficiency virus (HIV) infection in the United States in 2009 were MSM, including MSM who i...