Just ask them what the expert who told them to wear a mask now was saying a month ago. A month ago the experts were anti mask. Was the expert full of sh!t then, full of sh!t now or just full of sh!t all the time?
So they work for medical professionals but not for the public??? Draw your own conclusions.
Nations that have good mask protocols have not been as hard hit as countries that don't.
This peer reviewed study says they do work for Coronavirus.
Respiratory virus shedding in exhaled breath and efficacy of face masks
...the expert who told them to wear a mask now was saying a month ago.
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Everything Old is New Again:
Fauci did a Skype appearance on some show (my husband relayed this to me) and admitted that masks are just a way of reassuring the wearer, but they don’t do anything against transmission of the virus.