@BruceSt22513754 @StopCoronaVir12 @BallouxFrancois @kallmemeg The endpoint was symptomatic disease. Not infection. Not transmission. Getting sick w/covid or not getting sick w/covid. That's all.
@BruceSt22513754 @StopCoronaVir12 @BallouxFrancois @kallmemeg 终点是症状性疾病。不是感染。不是传输。因新冠病毒而生病或因新冠病毒不生病。就这样。