{"id":6681,"date":"2020-05-07T15:36:58","date_gmt":"2020-05-07T22:36:58","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=6681"},"modified":"2021-03-16T15:37:50","modified_gmt":"2021-03-16T22:37:50","slug":"impact-of-policy-interventions-and-social-distancing-on-sars-cov-2-transmission-in-the-united-states","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/05\/07\/impact-of-policy-interventions-and-social-distancing-on-sars-cov-2-transmission-in-the-united-states\/","title":{"rendered":"Impact of Policy Interventions and Social Distancing on SARS-CoV-2 Transmission in the United States"},"content":{"rendered":"<ul>\n<li><span data-contrast=\"auto\">Dreher et al<\/span><span data-contrast=\"auto\">.<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">conducted a state-level analysis using regression models with\u00a0<\/span><span data-contrast=\"auto\">primary\u00a0<\/span><span data-contrast=\"auto\">outcome<\/span><span data-contrast=\"auto\">s<\/span><span data-contrast=\"auto\">\u00a0defined as<\/span><span data-contrast=\"auto\">\u00a0the average\u00a0<\/span><span data-contrast=\"auto\">effective reproductive number<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">(<\/span><span data-contrast=\"auto\">R<\/span><span data-contrast=\"auto\">t<\/span><span data-contrast=\"auto\">)<\/span><span data-contrast=\"auto\">\u00a0in the week after the state reached 500 cases\u00a0<\/span><span data-contrast=\"auto\">and\u00a0<\/span><span data-contrast=\"auto\">doubling time from 500 to 1000 cases.\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<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"36\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">After controlling for population density, GDP, and health metrics, they found that having a stay-at-home order in place at the time of the 500<\/span><span data-contrast=\"auto\">th<\/span><span data-contrast=\"auto\">\u00a0case was significantly associated with a lower average R<\/span><span data-contrast=\"auto\">t<\/span><span data-contrast=\"auto\">\u00a0the following week\u00a0<\/span><span data-contrast=\"auto\">and had a very strong association with\u00a0<\/span><span data-contrast=\"auto\">the\u00a0<\/span><span data-contrast=\"auto\">probability\u00a0<\/span><span data-contrast=\"auto\">of\u00a0<\/span><span data-contrast=\"auto\">R<\/span><span data-contrast=\"auto\">t<\/span><span data-contrast=\"auto\">&lt;1.\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<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"36\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Doubling time for cases was significantly longer<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">for states\u00a0<\/span><span data-contrast=\"auto\">with a<\/span><span data-contrast=\"auto\">n early<\/span><span data-contrast=\"auto\">\u00a0stay at home order<\/span><span data-contrast=\"auto\">\u00a0(<\/span><span data-contrast=\"auto\">HR=<\/span><span data-contrast=\"auto\">0.35)<\/span><span data-contrast=\"auto\">,\u00a0<\/span><span data-contrast=\"auto\">as was<\/span><span data-contrast=\"auto\">\u00a0the<\/span><span data-contrast=\"auto\">\u00a0doubling time for deaths for states with\u00a0<\/span><span data-contrast=\"auto\">more<\/span><span data-contrast=\"auto\">\u00a0time spent at home (<\/span><span data-contrast=\"auto\">HR=<\/span><span data-contrast=\"auto\">0.18).\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\">Dreher<\/span><\/i><i><span data-contrast=\"none\">\u00a0et al<\/span><\/i><i><span data-contrast=\"none\">. (May 6, 2020). Impact of Policy Interventions and Social Distancing on SARS-CoV-2 Transmission in the United States.<\/span><\/i><i><span data-contrast=\"none\">\u00a0Pre-print downloaded\u00a0<\/span><\/i><i><span data-contrast=\"none\">May<\/span><\/i><i><span data-contrast=\"none\">\u00a0<\/span><\/i><i><span data-contrast=\"none\">7<\/span><\/i><i><span data-contrast=\"none\">\u00a0from<\/span><\/i><span data-contrast=\"auto\">\u00a0<\/span><a href=\"https:\/\/doi.org\/10.1101\/2020.05.01.20088179\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1101\/2020.05.01.20088179<\/span><\/a><span data-ccp-props=\"{&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>Dreher et al.\u00a0conducted a state-level analysis using regression models with\u00a0primary\u00a0outcomes\u00a0defined as\u00a0the average\u00a0effective reproductive number\u00a0(Rt)\u00a0in the week after the state reached 500 cases\u00a0and\u00a0doubling time from 500 to 1000 cases.\u00a0\u00a0 After controlling for population density, GDP, and health metrics, they found that having a stay-at-home order in place at the time of the 500th\u00a0case was significantly associated&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/05\/07\/impact-of-policy-interventions-and-social-distancing-on-sars-cov-2-transmission-in-the-united-states\/\">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-6681","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\/6681","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=6681"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/6681\/revisions"}],"predecessor-version":[{"id":6682,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/6681\/revisions\/6682"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=6681"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=6681"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=6681"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=6681"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}