@BiasSelf @zanfr @MatTitoLandry @MeetJess Post exposure is PEP, PrEP is pre-exposure, say before going to a party.
PEP might work if there is good access to testing and contact tracing (even if done by individuals), but PrEP isn't very useful because the virus is everywhere, not just in narrow high risk situations.
@BiasSelf@zanfr@MatTitoLandry@MeetJess曝光后是PEP，准备是曝光前，比如说去派对前。
如果能够很好地进行检测和接触者追踪（即使是由个人进行），PEP可能会起作用，但PrEP并不是很有用，因为病毒无处不在，而不仅仅是在狭窄的高风险情况下。