The most common mode of transmission of AIDS worldwide is via

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Heterosexual sexual activity is the most common mode of transmission of AIDS worldwide, accounting for around 80% of HIV infections. The other options, such as intravenous drug use and homosexual sexual activity, also contribute to the spread of HIV, but to a lesser extent. Blood transfusions used to be a common mode of transmission, but with improved screening methods, the risk has been greatly reduced.

The Most Common Mode of Transmission of AIDS Worldwide Is