@Kyhala @auntiewillow @sujayjaswa @BallouxFrancois The effect on infection and transmission was demonstrated in numerous studies AFTER the original trials (which did not consider it, they were looking to reduce people getting sick, and hopefully reduce people getting very sick).
Two other studies here:.
https://twitter.com/JacobGudio...
@Kyhala @auntiewillow @sujayjaswa @BallouxFrancois 在最初的试验之后，许多研究都证明了对感染和传播的影响（没有考虑到这一点，他们希望减少生病的人，并希望减少生病的人）。
这里还有另外两项研究：。
https://twitter.com/JacobGudio...