{"id":8746,"date":"2020-08-05T11:20:43","date_gmt":"2020-08-05T18:20:43","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=8746"},"modified":"2021-04-06T11:21:23","modified_gmt":"2021-04-06T18:21:23","slug":"the-incubation-period-of-severe-acute-respiratory-syndrome-coronavirus-2a-systematic-review","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/08\/05\/the-incubation-period-of-severe-acute-respiratory-syndrome-coronavirus-2a-systematic-review\/","title":{"rendered":"The Incubation Period of Severe Acute Respiratory Syndrome Coronavirus 2A Systematic Review"},"content":{"rendered":"<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"7\" data-aria-posinset=\"1\" data-aria-level=\"1\"><i><span data-contrast=\"none\">[pre-print, not peer reviewed]<\/span><\/i><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">A systematic review of 64 articles aggregating the experiences of 854 patients suggests an estimated median incubation period\u00a0<\/span><span data-contrast=\"auto\">(time from exposure to symptom onset)\u00a0<\/span><span data-contrast=\"auto\">of 4.9 days<\/span><span data-contrast=\"auto\">\u00a0(95% CI 4.6-5.2)<\/span><span data-contrast=\"auto\">. However, including\u00a0<\/span><span data-contrast=\"auto\">81\u00a0<\/span><span data-contrast=\"auto\">asymptomatic and\u00a0<\/span><span data-contrast=\"auto\">presymptomatic<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">patients<\/span><span data-contrast=\"auto\">, along with 31 outlier cases with incubation periods exceeding 14 days, Li et al. estimate that people in the 97.5 percentile would experience an incubation period of 19.3 days<\/span><span data-contrast=\"auto\">\u00a0(<\/span><span data-contrast=\"auto\">95% CI\u00a0<\/span><span data-contrast=\"auto\">17.4-21.4<\/span><span data-contrast=\"auto\">), which is longer than the 14-day quarantine period that is typically<\/span><span data-contrast=\"auto\">\u00a0recommended<\/span><span data-contrast=\"auto\">.\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<\/ul>\n<p><i><span data-contrast=\"none\">Li. (<\/span><\/i><i><span data-contrast=\"none\">Aug 4,\u00a0<\/span><\/i><i><span data-contrast=\"none\">2020). The Incubation Period of Severe Acute Respiratory Syndrome Coronavirus 2A Systematic Review.\u00a0\u00a0<\/span><\/i><i><span data-contrast=\"none\">Pre-print downloaded on August 5 from<\/span><\/i><i><span data-contrast=\"none\">\u00a0<\/span><\/i><a href=\"https:\/\/doi.org\/10.1101\/2020.08.01.20164335\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1101\/2020.08.01.20164335<\/span><\/a><i><span data-contrast=\"none\">\u00a0<\/span><\/i><span data-ccp-props=\"{&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]\u00a0A systematic review of 64 articles aggregating the experiences of 854 patients suggests an estimated median incubation period\u00a0(time from exposure to symptom onset)\u00a0of 4.9 days\u00a0(95% CI 4.6-5.2). However, including\u00a081\u00a0asymptomatic and\u00a0presymptomatic\u00a0patients, along with 31 outlier cases with incubation periods exceeding 14 days, Li et al. estimate that people in the 97.5 percentile would&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/08\/05\/the-incubation-period-of-severe-acute-respiratory-syndrome-coronavirus-2a-systematic-review\/\">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":[20],"class_list":["post-8746","post","type-post","status-publish","format-standard","hentry","category-article-summary","topic-clinical-characteristics-and-health-care-setting"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/8746","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=8746"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/8746\/revisions"}],"predecessor-version":[{"id":8747,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/8746\/revisions\/8747"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=8746"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=8746"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=8746"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=8746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}