However, gay and other MSM’s sexual practices changed as the understanding of disease and treatment options advance.
A variety of measures of CLAI have been commonly used in behavioral surveillance for HIV risk and to forecast trends in HIV infection. 3RPA Sexual Health, Sydney Local Health District, Sydney, NSW, Australiaīackground: Condomless anal intercourse (CLAI) has long been recognized as the primary mode of sexual transmission of HIV in gay and other men who have sex with men (MSM).2The Centre for Social Research in Health, University of New South Wales, Kensington, NSW, Australia.1The Kirby Institute, University of New South Wales, Kensington, NSW, Australia.
