* HIV post-exposure prophylaxis (PEP) should be initiated within 2 hours to be most effective.
* Waiting for results (B) delays critical treatment.
* PEP should always be offered after high-risk exposure, not only if symptoms develop (C).
* Retesting after 6 months (D) is recommended but should not delay PEP initiation.
CBIC Infection Control References:
* APIC Text, "Bloodborne Pathogens and PEP," Chapter 11.