4 ms·
>It was just an old idea but it is from the experience of another Corona virus outbreak last time. Asia just know wearing mask is helpful anyway.
by melagonster 3y ago
>It was just an old idea
but it is from the experience of another Corona virus outbreak last time.
Asia just know wearing mask is helpful anyway.
- felipeerias 3y agoBut the health authorities in the West did not update their knowledge in view of that evidence. I am familiar with the case of Spain: when the COVID-19 pandemic started, the public healthcare guidelines in Spain still classified coronaviruses as mild viruses, not more severe than the flu.