[ad_1] (MENAFN – The Conversation) In controlled laboratory situations, face masks appear to do a good job of reducing the spread of coronavirus (at least in hamsters) and other respiratory viruses. However, evidence shows that mask-wearing policies appear to have had much less impact on the spread of COVID-19 in …
Read More »Face masks reduce laboratory-borne diseases, but have less impact on the community. We need to know why
