Worldwide, the most common route of HIV infection is

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Heterosexual contact is the most common route of HIV infection worldwide, accounting for about 80% of all HIV infections. Injecting drug use and men having sex with men are also common routes of transmission in certain regions, but overall heterosexual contact is the main mode of HIV transmission globally. The risk of HIV transmission through blood transfusions has been greatly reduced through improved screening and testing of blood products.

Worldwide, the Most Common Route of HIV Infection Is