The main route for transmission of HIV in most parts of the world is through

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The main route for transmission of HIV in most parts of the world is through heterosexual sex. While other routes of transmission such as intravenous drug use and blood transfusions were more common in the early years of the HIV epidemic, the widespread implementation of effective screening procedures and preventative measures has greatly reduced the risk of infection through these routes. Homosexual sex and blood products can also be routes of transmission, but in most parts of the world heterosexual transmission remains the primary mode of HIV spread.

The Main Route for Transmission of HIV in Most Parts