The primary mode of HIV transmission in the U.S.is:

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According to the Centers for Disease Control and Prevention (CDC), men who have sex with men account for approximately 70% of all new HIV infections in the United States. Heterosexual contact is the second most common mode of transmission, accounting for approximately 24% of new infections. Injection drug use accounts for approximately 6% of new infections, and blood transfusion is extremely rare due to strict screening procedures.

The Primary Mode of HIV Transmission in the U