Will Robinson! NHS 'Fun with less risk'. GOV Search Search. There are several ways to reduce the risk of HIV transmission from oral sex. In fact, according to a study from the University of California San Francisco's Centers for AIDS Prevention Studie, the probability of HIV infection through unprotected oral sex was statistically zero, although the researchers went so far as to add that "we can not rule out the possibility that the probability of infection is indeed greater than zero. Different people like to give and receive oral sex in different ways, so take time to explore what your partner enjoys.
For men, having a high viral load in the blood may also mean that viral load is high in the semen. Behind the scenes at European Testing Week.