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continue building expertise, reporting infrastructure, investigation resources, and effective relations with health care partners.Consistent and correct use of condoms can reduce the risk for ****ually transmitted diseases, including HIV/AIDS. Studies have reported that condomless **** among men who have **** with men (MSM) has steadily increased in recent years. We analyzed data reported by 51 health departments regarding 82 556 HIV-positive and HIV-negative MSM 13 years or older and participated in Centers for Disease Control and Prevention-funded behavioral