To do something like needle and syringe exchange programs or pre-exposure prophylaxis which is a pill usually used to treat HIV that can prevent HIV. That's what's needed to really break the back of the epidemic.

做一些针头和注射器交换计划或暴露前预防，这是一种通常用于治疗 HIV 的药丸，可以预防 HIV。这才是真正战胜流行病所需要的。