{"id":3172,"date":"2021-01-12T13:01:17","date_gmt":"2021-01-12T21:01:17","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=3172"},"modified":"2021-01-13T13:02:30","modified_gmt":"2021-01-13T21:02:30","slug":"the-sensitivity-and-costs-of-testing-for-sars-cov-2-infection-with-saliva-versus-nasopharyngeal-swabs","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/01\/12\/the-sensitivity-and-costs-of-testing-for-sars-cov-2-infection-with-saliva-versus-nasopharyngeal-swabs\/","title":{"rendered":"The Sensitivity and Costs of Testing for SARS-CoV-2 Infection With Saliva Versus Nasopharyngeal Swabs"},"content":{"rendered":"<p>A systematic review and meta-analysis (37 studies with 7,332 paired nasopharyngeal swab and saliva samples) found that while saliva samples had slightly lower sensitivity to detect SARS-CoV-2, they could be more cost-effective.<span class=\"Apple-converted-space\">\u00a0 <\/span>Against a reference standard of a positive result on either sample, saliva sensitivity was 7.9% lower than nasopharyngeal swab sensitivity among persons without previous SARS-CoV-2 infection and 1.5% higher among persons with a previous SARS-CoV2 diagnosis. However, taking into account personnel, transportation and laboratory costs, nasopharyngeal swab had an incremental cost per additional infection detected of $8,093 compared to saliva.<\/p>\n<p><i>Bastos et al. (Jan 12, 2021). The Sensitivity and Costs of Testing for SARS-CoV-2 Infection With Saliva Versus Nasopharyngeal Swabs. Annals of Internal Medicine. <\/i><a href=\"https:\/\/doi.org\/10.7326\/M20-6569\">https:\/\/doi.org\/10.7326\/M20-6569<\/a><i><span class=\"Apple-converted-space\">\u00a0<\/span><\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A systematic review and meta-analysis (37 studies with 7,332 paired nasopharyngeal swab and saliva samples) found that while saliva samples had slightly lower sensitivity to detect SARS-CoV-2, they could be more cost-effective.\u00a0 Against a reference standard of a positive result on either sample, saliva sensitivity was 7.9% lower than nasopharyngeal swab sensitivity among persons without&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/01\/12\/the-sensitivity-and-costs-of-testing-for-sars-cov-2-infection-with-saliva-versus-nasopharyngeal-swabs\/\">Read more<\/a><\/div>\n","protected":false},"author":7,"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-3172","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\/3172","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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/comments?post=3172"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/3172\/revisions"}],"predecessor-version":[{"id":3173,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/3172\/revisions\/3173"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=3172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=3172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=3172"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=3172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}