@BestinthePNW_ @D28EquityNow @drlucymcbride @kprather88 It also, with certainty, reduces plume projection so people at a reasonable distance have a better chance to be protected by ventilation/filtration. Only masks can help with short to medium range transmission, air handling is never fast enough.
@BestIn PNW_@d28 EquityNow@drlucymcbride@kprather88它还可以肯定地减少羽流的投射，因此在合理距离的人有更好的机会受到通风/过滤的保护。只有口罩能帮助中短程传播，空气处理永远不够快。