@ProjectDeSantis @beckystlouis @danwinesalot @PhD_Frog @RidleyDM @AbraarKaran Universal masking w/cloth masks reduces inhaled aerosol concentration by about 75% (measured). Universal is far more effective than individual (harder for particle to make it through two masks).
@ProjectDeSantis@beckystlouis@danwinesalot@PhD_Frog@RidleyDM@AbraarKaran通用面具w/布面具可将吸入气溶胶浓度降低约75%（测量值）。通用比单个更有效（粒子更难通过两个遮罩）。