📍North Dakota had the lowest mask-wearing rate in US in October, according to survey data. States without masks mandates saw sharp spikes.

📍Dakotas also has the highest per capita rate of #COVID19, according to the CDC as of November 6. #MaskUp https://t.co/zinXIolLgU pic.twitter.com/bNsHRxV9W9

— Eric Feigl-Ding (@DrEricDing) November 16, 2020