{"id":7590,"date":"2020-06-17T15:27:48","date_gmt":"2020-06-17T22:27:48","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=7590"},"modified":"2021-03-25T15:28:41","modified_gmt":"2021-03-25T22:28:41","slug":"community-use-of-face-masks-and-covid-19-evidence-from-a-natural-experiment-of-state-mandates-in-the-us","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/06\/17\/community-use-of-face-masks-and-covid-19-evidence-from-a-natural-experiment-of-state-mandates-in-the-us\/","title":{"rendered":"Community Use\u00a0Of\u00a0Face Masks And COVID-19: Evidence From A Natural Experiment Of State Mandates In The US"},"content":{"rendered":"<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"36\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">A comparison of COVID-19 case trends between US counties\u00a0<\/span><span data-contrast=\"auto\">(n=2,930) found small differences\u00a0<\/span><span data-contrast=\"auto\">in case trends comparing between counties with and without face mask mandates before the implementation of the mandate and\u00a0<\/span><span data-contrast=\"auto\">larger and statistically significant differences<\/span><span data-contrast=\"auto\">\u00a0in counties after they implemented face mask mandate<\/span><span data-contrast=\"auto\">s<\/span><span data-contrast=\"auto\">.\u00a0<\/span><span data-contrast=\"auto\">Compared to counties that did not implement a\u00a0<\/span><span data-contrast=\"auto\">face mask<\/span><span data-contrast=\"auto\">\u00a0mandate, d<\/span><span data-contrast=\"auto\">aily case rate<\/span><span data-contrast=\"auto\">s<\/span><span data-contrast=\"auto\">\u00a0declined by 0.9% within 5 days post-mandate and reached\u00a0<\/span><span data-contrast=\"auto\">a\u00a0<\/span><span data-contrast=\"auto\">2%\u00a0<\/span><span data-contrast=\"auto\">decrease\u00a0<\/span><span data-contrast=\"auto\">by 21 days post-mandate.\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><i><span data-contrast=\"none\">Lyu<\/span><\/i><i><span data-contrast=\"none\">\u00a0and\u00a0<\/span><\/i><i><span data-contrast=\"none\">Wehby<\/span><\/i><i><span data-contrast=\"none\">. (June 2020). Community Use\u00a0<\/span><\/i><i><span data-contrast=\"none\">Of<\/span><\/i><i><span data-contrast=\"none\">\u00a0Face Masks And COVID-19: Evidence From A Natural Experiment Of State Mandates In The US. Health Affairs.\u00a0<\/span><\/i><a href=\"https:\/\/doi.org\/10.1377\/hlthaff.2020.00818\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1377\/hlthaff.2020.00818<\/span><\/a><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A comparison of COVID-19 case trends between US counties\u00a0(n=2,930) found small differences\u00a0in case trends comparing between counties with and without face mask mandates before the implementation of the mandate and\u00a0larger and statistically significant differences\u00a0in counties after they implemented face mask mandates.\u00a0Compared to counties that did not implement a\u00a0face mask\u00a0mandate, daily case rates\u00a0declined by 0.9% within&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/06\/17\/community-use-of-face-masks-and-covid-19-evidence-from-a-natural-experiment-of-state-mandates-in-the-us\/\">Read more<\/a><\/div>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[6],"tags":[],"topic":[22],"class_list":["post-7590","post","type-post","status-publish","format-standard","hentry","category-article-summary","topic-non-pharmaceutical-interventions"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/7590","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/comments?post=7590"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/7590\/revisions"}],"predecessor-version":[{"id":7591,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/7590\/revisions\/7591"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=7590"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=7590"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=7590"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=7590"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}