@BestinthePNW_ @drlucymcbride @kprather88 No one should be surprised that cloth masks have low effectiveness. There is a continuum and when masks are used, people end up in a mix of masks, that have a mix of effectiveness. It's a complicated call if mandating whether to set the minimum higher, but minimum ≠ actual.
@在Pnw_@drlucymcbride@kprather 88中，布制口罩的效果很低，这一点不应让任何人感到惊讶。这是一个连续体，当使用口罩时，人们最终会混合使用各种口罩，效果也会有所不同。如果强制要求是否将最小值设置得更高，那么这是一个复杂的决定，但是≠ 真实的