@BestinthePNW_ @drlucymcbride @kprather88 The Bangladesh study she's citing showed more effect from surgical masks. So, exactly what I said, continuum of effectiveness.
@Bestinepnw_@drlucymcbride@kprather 88她引用的孟加拉国研究显示，口罩的效果更好。所以，正如我所说的，持续有效性。
@BestinthePNW_ @drlucymcbride @kprather88 The Bangladesh study she's citing showed more effect from surgical masks. So, exactly what I said, continuum of effectiveness.
@Bestinepnw_@drlucymcbride@kprather 88她引用的孟加拉国研究显示，口罩的效果更好。所以，正如我所说的，持续有效性。