Kansas Mask Vs No Mask Experiment: 15 counties made masks mandatory (red line) & have seen new cases fall 40%; the 90 counties that did not (blue) have had no fall

Chart is July 12 to Aug 3 https://t.co/FaJqWgJBGA #COVID19#COVID#health#healthcare@DrEricDing @EricTopol pic.twitter.com/TB6WONfVLY

— Jim Harris (@JimHarris) August 7, 2020