{"id":6633,"date":"2020-05-05T15:02:41","date_gmt":"2020-05-05T22:02:41","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=6633"},"modified":"2021-03-16T15:11:06","modified_gmt":"2021-03-16T22:11:06","slug":"a-simple-model-to-show-the-relative-risk-of-viral-aerosol-infection-and-the-benefit-of-wearing-masks-in-different-settings-with-implications-for-covid-19","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/05\/05\/a-simple-model-to-show-the-relative-risk-of-viral-aerosol-infection-and-the-benefit-of-wearing-masks-in-different-settings-with-implications-for-covid-19\/","title":{"rendered":"A Simple Model to Show the Relative Risk of Viral Aerosol Infection and the Benefit of Wearing Masks in Different Settings with Implications for Covid-19"},"content":{"rendered":"<ul>\n<li><span data-contrast=\"auto\">Using parameters derived from literature,\u00a0<\/span><span data-contrast=\"auto\">Barr describes a model to estimate<\/span><span data-contrast=\"auto\">\u00a0the relative risk of aerosol from normal breathing in\u00a0<\/span><span data-contrast=\"auto\">a variety of settings<\/span><span data-contrast=\"auto\">. The model indicates a<\/span><span data-contrast=\"auto\">\u00a0multiplicative benefit\u00a0<\/span><span data-contrast=\"auto\">of using<\/span><span data-contrast=\"auto\"> cloth masks by both infected and\u00a0 <\/span><span data-contrast=\"auto\">uninfected<\/span><span data-contrast=\"auto\">\u00a0individuals<\/span><span data-contrast=\"auto\">\u00a0in\u00a0<\/span><span data-contrast=\"auto\">three\u00a0<\/span><span data-contrast=\"auto\">settings<\/span><span data-contrast=\"auto\">\u00a0(car, s<\/span><span data-contrast=\"auto\">mall non-ventilated room,\u00a0<\/span><span data-contrast=\"auto\">larger ventilated space)<\/span><span data-contrast=\"auto\">.<\/span><span data-contrast=\"auto\">\u00a0\u00a0<\/span><span data-contrast=\"auto\">The model found that social\u00a0<\/span><span data-contrast=\"auto\">distancing at 2 met<\/span><span data-contrast=\"auto\">e<\/span><span data-contrast=\"auto\">r<\/span><span data-contrast=\"auto\">s<\/span><span data-contrast=\"auto\">\u00a0is effective but its benefit is\u00a0<\/span><span data-contrast=\"auto\">time limited<\/span><span data-contrast=\"auto\">\u00a0in confined areas.\u00a0<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">U<\/span><span data-contrast=\"auto\">se of masks\u00a0<\/span><span data-contrast=\"auto\">by both infected and\u00a0<\/span><span data-contrast=\"auto\">uninfected<\/span><span data-contrast=\"auto\">\u00a0individuals<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">in the absence of extremely good ventilation\u00a0<\/span><span data-contrast=\"auto\">was\u00a0<\/span><span data-contrast=\"auto\">effective<\/span><span data-contrast=\"auto\">.<\/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\">Barr. (<\/span><\/i><i><span data-contrast=\"none\">May 5,\u00a0<\/span><\/i><i><span data-contrast=\"none\">2020). A Simple Model to Show the Relative Risk of Viral Aerosol Infection and the Benefit of Wearing Masks in Different Settings with Implications for Covid-19.\u00a0<\/span><\/i><i><span data-contrast=\"none\">Preprint downloaded May 5 from\u00a0<\/span><\/i><i><span data-contrast=\"none\">Medrxiv<\/span><\/i><i><span data-contrast=\"none\">.\u00a0<\/span><\/i><a href=\"https:\/\/doi.org\/10.1101\/2020.04.28.20082990\"><i><span data-contrast=\"none\">https:\/\/doi.org\/10.1101\/2020.04.28.20082990<\/span><\/i><\/a><i><span data-contrast=\"none\">\u00a0<\/span><\/i><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>Using parameters derived from literature,\u00a0Barr describes a model to estimate\u00a0the relative risk of aerosol from normal breathing in\u00a0a variety of settings. The model indicates a\u00a0multiplicative benefit\u00a0of using cloth masks by both infected and\u00a0 uninfected\u00a0individuals\u00a0in\u00a0three\u00a0settings\u00a0(car, small non-ventilated room,\u00a0larger ventilated space).\u00a0\u00a0The model found that social\u00a0distancing at 2 meters\u00a0is effective but its benefit is\u00a0time limited\u00a0in confined areas.\u00a0\u00a0Use of&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/05\/05\/a-simple-model-to-show-the-relative-risk-of-viral-aerosol-infection-and-the-benefit-of-wearing-masks-in-different-settings-with-implications-for-covid-19\/\">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-6633","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\/6633","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=6633"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/6633\/revisions"}],"predecessor-version":[{"id":6634,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/6633\/revisions\/6634"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=6633"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=6633"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=6633"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=6633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}