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@liqian_ren @kiefer_nandez This one might also be related: https://t.co/oSKpwyvKoP
@liqian_ren @kiefer_nandez This one might also be related: https://t.co/oSKpwyvKoP
We observed over 1,200 people in Shanghai in Feb 2021. With more than 40 days without COVID case, 60% of people still wore masks. Women wore and older wore more masks. Check it out! https://t.co/amYvntUvRT @shanghaiist @COVID @NYCTSubway @SCMPNews