@LesleyanneRyan @CliveClarke18 @sylviajh14 @BerkeleyScribe @kinneret @NightShiftMD That, and definitely surgical masks and even reasonable (tightly woven or non-woven multilayer) cloth masks do filter micron particles. Don't feed the troll. https://t.co/S6zdg4RV7B
@LesleyanneRyan@CliveClarke18@sylviajh14@BerkeleyScribe@kinneret@NightShiftMD，手术口罩，甚至合理的（紧密编织或非编织多层）布口罩都能过滤微米颗粒。不要喂巨魔。https://t.co/S6zdg4RV7B