{"id":6806,"date":"2020-05-13T16:59:20","date_gmt":"2020-05-13T23:59:20","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=6806"},"modified":"2021-03-17T17:00:29","modified_gmt":"2021-03-18T00:00:29","slug":"pre-procedural-surveillance-testing-for-sars-cov-2-in-an-asymptomatic-population-shows-low-rates-of-positivity","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/05\/13\/pre-procedural-surveillance-testing-for-sars-cov-2-in-an-asymptomatic-population-shows-low-rates-of-positivity\/","title":{"rendered":"Pre-Procedural Surveillance Testing for SARS-CoV-2 in an Asymptomatic Population Shows Low Rates of Positivity"},"content":{"rendered":"<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"48\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Among University of Washington Medical Center asymptomatic patients screened prior to admission and patients screened prior to surgical or aerosolizing procedures, a very low proportion tested positive for SARS-CoV-2.\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559685&quot;:360,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"48\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Among 349 asymptomatic patients tested at admission, 0.9% (n=3) were positive and 0.6% (n=2) were inconclusive. Among 350 patients undergoing surgical or aerosolizing procedures, 0.9% (n=3) were positive. Among 157 asymptomatic patients tested for any other reason, 7.6% (n=12) were positive and 0.6% (n=1) was inconclusive.\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559685&quot;:360,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"48\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\">By comparison, among 473 inpatients with any symptom of COVID-19, 14.3% (n=68) were positive during a time period when the outpatient prevalence of SARS-CoV-2 active infection was 3-5%.<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559685&quot;:360,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><i><span data-contrast=\"none\">Mays et al. (May 12, 2020). Pre-Procedural Surveillance Testing for SARS-CoV-2 in an Asymptomatic Population Shows Low Rates of Positivity. Pre-print\u00a0downloaded May 13 from<\/span><\/i><i><span data-contrast=\"none\">\u00a0<\/span><\/i><a href=\"https:\/\/doi.org\/10.1101\/2020.05.08.20078592\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1101\/2020.05.08.20078592<\/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>Among University of Washington Medical Center asymptomatic patients screened prior to admission and patients screened prior to surgical or aerosolizing procedures, a very low proportion tested positive for SARS-CoV-2.\u00a0\u00a0 Among 349 asymptomatic patients tested at admission, 0.9% (n=3) were positive and 0.6% (n=2) were inconclusive. Among 350 patients undergoing surgical or aerosolizing procedures, 0.9% (n=3)&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/05\/13\/pre-procedural-surveillance-testing-for-sars-cov-2-in-an-asymptomatic-population-shows-low-rates-of-positivity\/\">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":[19],"class_list":["post-6806","post","type-post","status-publish","format-standard","hentry","category-article-summary","topic-testing-and-treatment"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/6806","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=6806"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/6806\/revisions"}],"predecessor-version":[{"id":6807,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/6806\/revisions\/6807"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=6806"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=6806"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=6806"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=6806"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}