It's not correct to say that 6 months ago "we" didn't know masks were important. All of East Asia knew they were important, and there was lots of research showing that masks, even cloth ones, were effective at mitigating transmission of coronaviruses like SARS. https://t.co/Id4sQqhwZu— James Surowiecki (@JamesSurowiecki) August 11,
August 11, 2020, 10:06 PM ยท Regular-ass Post