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    Men who have sex with men (NHBS-MSM)

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    Persons who inject drugs (NHBS-PWID)

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    Heterosexually active persons at increased risk for HIV infection (NHBS-HET)

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    Women of trans experience and transfeminine people (NHBS-Trans)

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    Young men who have sex with men (NHBS-YMSM)
    Last Reviewed: June 27, 2023
    Source: Division of HIV Prevention, National Center for HIV, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention
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      • Young men who have sex with men (NHBS-YMSM)
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