A 38yr old bisexual man goes to the clinic for counselling about HIV. Which of the following is false about HIV transmission?
The risk of acquiring HIV with unprotected receptive anal intercourse is lower than that with penile-vaginal intercourse Male-to- female HIV transmission is usually more efficient in causing infection than female-to-male transmission Male circumcision is associated with a lower risk of HIV acquisition for heterosexual men The quantity of HIV-1 in plasma is a primary determinant of the risk of HIV1 transmission