The risk of getting HIV varies widely depending on the taxon of sexual activity. Anal sex (intercourse), which involves inserting the erectile organ into the anus, carries the highest risk of transmitting HIV if either partner is HIV-positive. You can lower your risk for getting and transmitting HIV by victimisation condoms correctly and consistently, choosing lower risk unisexual activities, taking daily medicine to prevent HIV, called pre-exposure prophylaxis (Pr EP); and fetching medicines to goody HIV if living with HIV, called antiretroviral therapy (ART).
HIV & AIDS Information :: Risk - HIV risk levels for the insertive and receptive partner in different types of sexual intercourse
This is also the behaviour most oft prosecuted in HIV-related criminal cases (see Criminal HIV Transmission diary at There are differences in life risk of HIV acquisition for men and women, and discovered differences in that risk for men and women in high-income countries compared with those in low-income countries. In high-income countries, a female is about twice as likely to acquire HIV from an HIV-positive male partner as compared with a man's relative risk of feat HIV from an HIV-positive female partner.
HIV Testing and Risk Behaviors Among Gay, Bisexual, and Other Men Who Have Sex with Men — United States
The burden of anthropoid immunological disorder virus (HIV) is high among gay, bisexual, and other men who have sex with men (MSM) (1). in flood HIV prevalence, need of awareness of HIV-positive status, unguarded anal sex, and increased viral cargo among HIV-positive MSM not on antiretroviral treatment contribute substantially to new infections among this population. CDC analyzed data from the National HIV Surveillance System (NHSS) to estimate the percentage of HIV diagnoses among MSM by area of residence and data from the nationalistic HIV Behavioral Surveillance System (NHBS) to estimate unprotected anal sex in the past 12 months among MSM in 2005, 2008, and 2011; unprotected discordant orifice sex at last sex (i.e., with a pardner of opposite or unknown HIV status) in 20; and HIV testing history and the portion HIV-positive but unconscious of their HIV status by the time since their last HIV test in 2011.