{"id":7631,"date":"2020-06-18T15:47:11","date_gmt":"2020-06-18T22:47:11","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=7631"},"modified":"2021-03-25T15:47:54","modified_gmt":"2021-03-25T22:47:54","slug":"diagnostic-accuracy-of-six-commercial-sars-cov-2-iggtotal-antibody-assays-and-identification-of-sars-cov-2-neutralizing-antibodies-in-convalescent-sera","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/06\/18\/diagnostic-accuracy-of-six-commercial-sars-cov-2-iggtotal-antibody-assays-and-identification-of-sars-cov-2-neutralizing-antibodies-in-convalescent-sera\/","title":{"rendered":"Diagnostic Accuracy of Six Commercial SARS-CoV-2\u00a0IgGtotal\u00a0Antibody Assays and Identification of SARS-CoV-2 Neutralizing Antibodies in Convalescent Sera"},"content":{"rendered":"<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"34\" data-aria-posinset=\"2019\" data-aria-level=\"1\"><i><span data-contrast=\"none\">[pre-print, not peer reviewed]<\/span><\/i><span data-contrast=\"auto\">\u00a0Using<\/span><span data-contrast=\"auto\">\u00a0a set of 34 serum samples obtained from\u00a0<\/span><span data-contrast=\"auto\">26\u00a0<\/span><span data-contrast=\"auto\">COVID-19 positive patients<\/span><span data-contrast=\"auto\">\u00a0with PCR-confirmed\u00a0<\/span><span data-contrast=\"auto\">SARS-CoV-2 infection<\/span><span data-contrast=\"auto\">,\u00a0<\/span><span data-contrast=\"auto\">Stroemer<\/span><span data-contrast=\"auto\">\u00a0et al. compared the diagnostic accuracy of six commercially available antibody tests.\u00a0<\/span><span data-contrast=\"auto\">Sensitivity ranged from 79.4%\u00a0<\/span><span data-contrast=\"auto\">(<\/span><span data-contrast=\"auto\">Euroimmun<\/span><span data-contrast=\"auto\">) to 9<\/span><span data-contrast=\"auto\">6<\/span><span data-contrast=\"auto\">.<\/span><span data-contrast=\"auto\">2<\/span><span data-contrast=\"auto\">% (Abbott).\u00a0<\/span><span data-contrast=\"auto\">Based on 100 samples from negative individuals, specificity ranged from 97% (<\/span><span data-contrast=\"auto\">Euroimmun<\/span><span data-contrast=\"auto\">) to 100% (Epitope), with 99% sensitivity for Abbot and Roche tests.\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=\"34\" data-aria-posinset=\"2019\" data-aria-level=\"1\"><span data-contrast=\"auto\">A high proportion of serum samples demonstrated neutralizing capacity against SARS-CoV-2.<\/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\">Stroemer<\/span><\/i><i><span data-contrast=\"none\">\u00a0et al. (June 17, 2020). Diagnostic Accuracy of Six Commercial SARS-CoV-2\u00a0<\/span><\/i><i><span data-contrast=\"none\">IgGtotal<\/span><\/i><i><span data-contrast=\"none\">\u00a0Antibody Assays and Identification of SARS-CoV-2 Neutralizing Antibodies in Convalescent Sera.\u00a0<\/span><\/i><i><span data-contrast=\"none\">Pre-print downloaded June 18 from<\/span><\/i><i><span data-contrast=\"none\">\u00a0<\/span><\/i><a href=\"https:\/\/doi.org\/10.1101\/2020.06.15.20131672\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1101\/2020.06.15.20131672<\/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>[pre-print, not peer reviewed]\u00a0Using\u00a0a set of 34 serum samples obtained from\u00a026\u00a0COVID-19 positive patients\u00a0with PCR-confirmed\u00a0SARS-CoV-2 infection,\u00a0Stroemer\u00a0et al. compared the diagnostic accuracy of six commercially available antibody tests.\u00a0Sensitivity ranged from 79.4%\u00a0(Euroimmun) to 96.2% (Abbott).\u00a0Based on 100 samples from negative individuals, specificity ranged from 97% (Euroimmun) to 100% (Epitope), with 99% sensitivity for Abbot and Roche tests.\u00a0\u00a0 A&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/06\/18\/diagnostic-accuracy-of-six-commercial-sars-cov-2-iggtotal-antibody-assays-and-identification-of-sars-cov-2-neutralizing-antibodies-in-convalescent-sera\/\">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-7631","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\/7631","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=7631"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/7631\/revisions"}],"predecessor-version":[{"id":7632,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/7631\/revisions\/7632"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=7631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=7631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=7631"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=7631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}