{"id":652,"date":"2020-09-01T13:55:43","date_gmt":"2020-09-01T20:55:43","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=652"},"modified":"2020-09-04T13:56:36","modified_gmt":"2020-09-04T20:56:36","slug":"frequency-of-serological-non-responders-and-false-negative-rt-pcr-results-in-sars-cov-2-testing-a-population-based-study","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/09\/01\/frequency-of-serological-non-responders-and-false-negative-rt-pcr-results-in-sars-cov-2-testing-a-population-based-study\/","title":{"rendered":"Frequency of Serological Non-Responders and False-Negative RT-PCR Results in SARS-CoV-2 Testing: A Population-Based Study"},"content":{"rendered":"<ul>\n<li>RT-PCR results at first clinical presentation and follow-up serology results were found to differ in about in 15% of patients suffering from nonsevere COVID-19 who had a positive test by RT-PCR and\/or subsequent antibody testing. A study from Liechtenstein and Switzerland found that 12 (18%) out of 66 patients with an initial negative RT-PCR test had positive follow-up serology and 3 (4%) out of 85 initially positive RT-PCR patients had negative serology. Patients with a positive RT-PCR and negative serology tended to have longer disease duration of disease.<\/li>\n<\/ul>\n<p><em>Baron et al. (Aug 31, 2020). Frequency of Serological Non-Responders and False-Negative RT-PCR Results in SARS-CoV-2 Testing: A Population-Based Study. Clinical Chemistry and Laboratory Medicine. <a href=\"https:\/\/pubmed-ncbi-nlm-nih-gov.offcampus.lib.washington.edu\/32866113\">https:\/\/pubmed-ncbi-nlm-nih-gov.offcampus.lib.washington.edu\/32866113<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>RT-PCR results at first clinical presentation and follow-up serology results were found to differ in about in 15% of patients suffering from nonsevere COVID-19 who had a positive test by RT-PCR and\/or subsequent antibody testing. A study from Liechtenstein and Switzerland found that 12 (18%) out of 66 patients with an initial negative RT-PCR test&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/09\/01\/frequency-of-serological-non-responders-and-false-negative-rt-pcr-results-in-sars-cov-2-testing-a-population-based-study\/\">Read more<\/a><\/div>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[6],"tags":[27],"topic":[19],"class_list":["post-652","post","type-post","status-publish","format-standard","hentry","category-article-summary","tag-testing","topic-testing-and-treatment"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/652","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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/comments?post=652"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/652\/revisions"}],"predecessor-version":[{"id":653,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/652\/revisions\/653"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=652"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}