The odds for effectively detecting HIV in African-American men vary by method, researchers have found. The study, which appears in the Annals of Behavioral Medicine, suggests that HIV-prevention efforts must be multi-faceted, taking into account differences in within this demographic. The study was done by researchers at New York University’s Steinhardt School of Culture, Education, and Human Development, the U.S. Centers for Disease Control and Prevention, and Harlem United Community AIDS Center.