{"id":3420,"date":"2021-01-25T11:29:23","date_gmt":"2021-01-25T19:29:23","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=3420"},"modified":"2021-01-26T11:30:51","modified_gmt":"2021-01-26T19:30:51","slug":"the-proportion-of-sars-cov-2-infections-that-are-asymptomatic","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/01\/25\/the-proportion-of-sars-cov-2-infections-that-are-asymptomatic\/","title":{"rendered":"The Proportion of SARS-CoV-2 Infections That Are Asymptomatic"},"content":{"rendered":"<p>At least one third of SARS-CoV-2 infections were characterized as asymptomatic in a systematic review of cross-sectional and longitudinal observational studies and reports of mass screening for SARS-CoV-2. Most studies (43\/61) used PCR testing of nasopharyngeal swabs to detect current infection, and 18 studies used antibody testing to detect current or prior infection. In 14 studies with longitudinal data, nearly 75% of individuals who were asymptomatic at the time of testing remained asymptomatic.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p><i>Oran and Topol. (Jan 22, 2021). The Proportion of SARS-CoV-2 Infections That Are Asymptomatic. Annals of Internal Medicine. <\/i><a href=\"https:\/\/doi.org\/10.7326\/M20-6976\">https:\/\/doi.org\/10.7326\/M20-6976<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>At least one third of SARS-CoV-2 infections were characterized as asymptomatic in a systematic review of cross-sectional and longitudinal observational studies and reports of mass screening for SARS-CoV-2. Most studies (43\/61) used PCR testing of nasopharyngeal swabs to detect current infection, and 18 studies used antibody testing to detect current or prior infection. In 14&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/01\/25\/the-proportion-of-sars-cov-2-infections-that-are-asymptomatic\/\">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":[107],"topic":[20],"class_list":["post-3420","post","type-post","status-publish","format-standard","hentry","category-article-summary","tag-asymptomatic-infection","topic-clinical-characteristics-and-health-care-setting"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/3420","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=3420"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/3420\/revisions"}],"predecessor-version":[{"id":3421,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/3420\/revisions\/3421"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=3420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=3420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=3420"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=3420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}