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10519 Microbiology

A 38yr old bisexual man goes to the clinic for counselling about HIV. Which of the following is false about HIV transmission?

AThe risk of acquiring HIV with unprotected receptive anal intercourse is lower than that with penile-vaginal intercourse (Correct Answer)
BMale-to- female HIV transmission is usually more efficient in causing infection than female-to-male transmission
CMale circumcision is associated with a lower risk of HIV acquisition for heterosexual men
DThe quantity of HIV-1 in plasma is a primary determinant of the risk of HIV1 transmission