Potential participants at high HIV risk are identified among patients attending clinical services based on information available to the clinics, including previously reported high risk behaviour, recent diagnosis of a rectal STI or syphilis, current use of PrEP obtained elsewhere e.
BMC Infect Dis. The tissue of the mouth and oesophagus is also very thick compared with genital tissues, and fluids stay in contact with it for a very short time because swallowing clears the mouth regularly. Hawkins T, et al. If viral load is fully suppressed, oral transmission cannot take place.
If the majority of sexually active people with HIV are on treatment, the per-contact risk is greatly reduced. Grant RM, et al. The risk of HIV transmission through vaginal or anal intercourse is effectively zero if a person with HIV is on treatment and has a fully suppressed viral load.
Hepatitis C antibody testing is conducted annually or more often if clinically indicated. September Vaccher S, et al.