Final answer:
Post exposure prophylaxis (PEP) for sexual assault is a preventive treatment that can be administered within two or three days after the incident. It involves the use of antiretroviral medications to reduce the risk of acquiring HIV infection.
Step-by-step explanation:
Post exposure prophylaxis (PEP) for sexual assault is a preventive treatment that can be administered within two or three days after the incident. It involves the use of antiretroviral medications to reduce the risk of acquiring HIV infection. PEP works by inhibiting the replication of the virus, thus preventing it from establishing an infection in the body.