Which of the following statements is true about post-exposure prophlaxis (PEP)? A). PEP should be initiated no later than 72 hours after exposure B). PEP is 100% effective as a prevention method C.) PEP is administered as a single dose of anti-retroviral drugs D.) All of the above E.) A and C only

• ) A and C only

Explanation:

PEP is considered a very effective means of preventing a virus infection after exposure when taken correctly, but it is never 100% effective. This is because virus may manage to evade the drug as is known many retroviruses can manage to enter host cells within a short period of time. PEP is used in emergency situations and needs to be administered within 72 hours after exposure to the virus. PEP comprises of antiretroviral drugs which inhibits growth and multiplication of the virus, administered as a single dose.