A 29-year-old nurse sustains a needlestick injury from a source patient whose HIV status is unknown. The injury is deep and there is visible blood. She presents immediately to occupational health. What is the most appropriate management?AReassure and no further action if the source is unknownBStart HIV post-exposure prophylaxis as soon as possible and arrange urgent testing of the source patientCWait for the nurse's baseline HIV test before starting prophylaxisDCommence long-term antiretroviral therapy immediatelyEAdvise follow-up only if she becomes symptomaticCheck my answer