Date: 2020-09-10 ~ 2020-09-16
Date: 2020-04-23 ~ 2020-04-29
Date: 2020-05-21 ~ 2020-05-27
Date: 2020-06-18 ~ 2020-06-24
Date: 2020-07-16 ~ 2020-07-22
Date: 2020-08-13 ~ 2020-08-19
Date: 2020-09-10 ~ 2020-09-16
0%
20%
40%
60%
80%
100%
Prevalence
Mask Wearing Trend during COVID-19 Pandemic
data from the Facebook COVID-19 Symptoms Survey
plotly-logomark