https://www.msn.com/en-us/video/science/does-wearing-valve-masks-pose-a-
danger-to-others-who-arent/vi-BB145mk4?ocid=mailsignout
This leftist dude purportedly wore a valve mask to spread coronavirus in
white house.
Everybody knows that:
So-called “valve masks” look high-tech and provide great protection to the
wearer by filtering the air they’re breathing in.
But the valves allow exhaled breaths to leave the mask unfiltered, and could
cause an infected person to spread the virus.
j****3 发帖数: 2836
2
哈哈，右派们这是啥逻辑？自己可以有不戴口罩的权力，他人戴什么口罩的选择却没有。
the
could
【在 w******e 的大作中提到】 : https://www.msn.com/en-us/video/science/does-wearing-valve-masks-pose-a- : danger-to-others-who-arent/vi-BB145mk4?ocid=mailsignout : This leftist dude purportedly wore a valve mask to spread coronavirus in : white house. : Everybody knows that: : So-called “valve masks” look high-tech and provide great protection to the : wearer by filtering the air they’re breathing in. : But the valves allow exhaled breaths to leave the mask unfiltered, and could : cause an infected person to spread the virus.
