{"id":8641,"date":"2021-04-05T10:08:21","date_gmt":"2021-04-05T17:08:21","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=8641"},"modified":"2021-04-06T10:09:11","modified_gmt":"2021-04-06T17:09:11","slug":"persistence-of-anti-sars-cov-2-antibodies-depends-on-the-analytical-kit-a-report-for-up-to-10-months-after-infection","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/04\/05\/persistence-of-anti-sars-cov-2-antibodies-depends-on-the-analytical-kit-a-report-for-up-to-10-months-after-infection\/","title":{"rendered":"Persistence of Anti-SARS-CoV-2 Antibodies Depends on the Analytical Kit: A Report for Up to 10 Months after Infection"},"content":{"rendered":"<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">A<\/span><span style=\"font-weight: 400\"> study <\/span><span style=\"font-weight: 400\">of<\/span><span style=\"font-weight: 400\"> hospitalized and non-hospitalized symptomatic patients (n = 210 samples, 84 patients) over a period of 10 months using six different commercial assays for antibody detection found that assays targeting total antibodies presented higher positivity rates and reached the highest positivity rates sooner <\/span><span style=\"font-weight: 400\">than<\/span><span style=\"font-weight: 400\"> assays directed against IgG alone. The inter-assay agreement was also higher between assays<\/span><span style=\"font-weight: 400\"> targeting total antibody levels<\/span><span style=\"font-weight: 400\">. <\/span><span style=\"font-weight: 400\">A<\/span><span style=\"font-weight: 400\">ntibody assays <\/span><span style=\"font-weight: 400\">evaluat<\/span><span style=\"font-weight: 400\">ed were the Roche RBD total Ab, Roche NCP total<\/span> <span style=\"font-weight: 400\">Ab, DiaSorin S1+S2 IgG, Ortho S1 IgG, Ortho S1 total Ab, and Phadia S1 IgG.\u00a0<\/span><\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400\">Favresse et al. (Mar 8, 2021). Persistence of Anti-SARS-CoV-2 Antibodies Depends on the Analytical Kit: A Report for Up to 10 Months after Infection. Microorganisms. <\/span><\/i><a href=\"https:\/\/doi.org\/10.3390\/microorganisms9030556\"><span style=\"font-weight: 400\">https:\/\/doi.org\/10.3390\/microorganisms9030556<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A study of hospitalized and non-hospitalized symptomatic patients (n = 210 samples, 84 patients) over a period of 10 months using six different commercial assays for antibody detection found that assays targeting total antibodies presented higher positivity rates and reached the highest positivity rates sooner than assays directed against IgG alone. The inter-assay agreement was&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/04\/05\/persistence-of-anti-sars-cov-2-antibodies-depends-on-the-analytical-kit-a-report-for-up-to-10-months-after-infection\/\">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":[67,27],"topic":[31],"class_list":["post-8641","post","type-post","status-publish","format-standard","hentry","category-article-summary","tag-antibodies","tag-testing","topic-vaccines-and-immunity"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/8641","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=8641"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/8641\/revisions"}],"predecessor-version":[{"id":8642,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/8641\/revisions\/8642"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=8641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=8641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=8641"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=8641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}