id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-326565-s62inw07	Shacham, E.	Association of County-Wide Mask Ordinances with Reductions in Daily CoVID-19 Incident Case Growth in a Midwestern Region Over 12 Weeks	2020-10-30		.txt	text/plain	1925	105	52	Importance: This study assessed the longitudinal impact of new COVID-19 cases when a mask ordinance was implemented in 2 of a 5-county Midwestern U.S. metropolitan region over a 3-month period of time. The average daily percent growth in incident COVID-19 cases was similar between M+ and Mcounties in the 3 weeks prior to implementation of mandatory mask policies (0.90% [sd 0.68] vs. Crude modeling with a difference-in-difference indicator showed that after 3 weeks of mask mandate implementation, M+ counties had a daily percent COVID-19 growth rate that was 1.32 times lower, or a 32% decrease. 1 Mask wearing has transitioned to a politically nuanced behavior, and this has been particularly true in the region surrounding the Midwestern city of St. Louis, providing a natural experiment to understand the longitudinal impact of a variable mask mandate policies has on county-level changes in incident CoVID-19 rates over a 12-week period.	./cache/cord-326565-s62inw07.txt	./txt/cord-326565-s62inw07.txt