{"id":7714,"date":"2020-06-22T12:02:09","date_gmt":"2020-06-22T19:02:09","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=7714"},"modified":"2021-03-26T12:02:54","modified_gmt":"2021-03-26T19:02:54","slug":"reconstruction-of-transmission-pairs-for-novel-coronavirus-disease-2019-covid-19-in-mainland-china-estimation-of-super-spreading-events-serial-interval-and-hazard-of-infection","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/06\/22\/reconstruction-of-transmission-pairs-for-novel-coronavirus-disease-2019-covid-19-in-mainland-china-estimation-of-super-spreading-events-serial-interval-and-hazard-of-infection\/","title":{"rendered":"Reconstruction of Transmission Pairs for Novel Coronavirus Disease 2019 (COVID-19) in Mainland China: Estimation of Super-Spreading Events, Serial Interval, and Hazard of Infection"},"content":{"rendered":"<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"34\" data-aria-posinset=\"2019\" data-aria-level=\"1\"><span data-contrast=\"auto\">Xu et al. analyzed 643 transmission clusters from 1,407 transmission pairs in mainland China and identified 34 primary cases as super-spreaders<\/span><span data-contrast=\"auto\">\u00a0and\u00a0<\/span><span data-contrast=\"auto\">5 super-spreading events\u00a0<\/span><span data-contrast=\"auto\">that\u00a0<\/span><span data-contrast=\"auto\">occurred within households.\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<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"34\" data-aria-posinset=\"2019\" data-aria-level=\"1\"><span data-contrast=\"auto\">The median<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">duration between symptom onset of primary and secondary cases was\u00a0<\/span><span data-contrast=\"auto\">5.0<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">days<\/span><span data-contrast=\"auto\">\u00a0(IQR 1.5-8.5) for household transmissions and 5.2\u00a0<\/span><span data-contrast=\"auto\">days\u00a0<\/span><span data-contrast=\"auto\">(1.6-8.8) for non-household transmissions.\u00a0<\/span><span data-contrast=\"auto\">The risk of\u00a0<\/span><span data-contrast=\"auto\">being infected outside of households\u00a0<\/span><span data-contrast=\"auto\">was\u00a0<\/span><span data-contrast=\"auto\">higher for\u00a0<\/span><span data-contrast=\"auto\">those<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">age\u00a0<\/span><span data-contrast=\"auto\">18\u00a0<\/span><span data-contrast=\"auto\">to\u00a0<\/span><span data-contrast=\"auto\">64 years, whereas\u00a0<\/span><span data-contrast=\"auto\">the risk of\u00a0<\/span><span data-contrast=\"auto\">being infected within households\u00a0<\/span><span data-contrast=\"auto\">was\u00a0<\/span><span data-contrast=\"auto\">higher for young<\/span><span data-contrast=\"auto\">er<\/span><span data-contrast=\"auto\">\u00a0and old<\/span><span data-contrast=\"auto\">er<\/span><span data-contrast=\"auto\">\u00a0people.\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\">Xu et al. (June 18, 2020). Reconstruction of Transmission Pairs for Novel Coronavirus Disease 2019 (COVID-19) in Mainland China: Estimation of Super-Spreading Events, Serial Interval, and Hazard of Infection. Clinical Infectious Diseases.\u00a0<\/span><\/i><a href=\"https:\/\/doi.org\/10.1093\/cid\/ciaa790\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1093\/cid\/ciaa790<\/span><\/a><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>Xu et al. analyzed 643 transmission clusters from 1,407 transmission pairs in mainland China and identified 34 primary cases as super-spreaders\u00a0and\u00a05 super-spreading events\u00a0that\u00a0occurred within households.\u00a0\u00a0 The median\u00a0duration between symptom onset of primary and secondary cases was\u00a05.0\u00a0days\u00a0(IQR 1.5-8.5) for household transmissions and 5.2\u00a0days\u00a0(1.6-8.8) for non-household transmissions.\u00a0The risk of\u00a0being infected outside of households\u00a0was\u00a0higher for\u00a0those\u00a0age\u00a018\u00a0to\u00a064 years, whereas\u00a0the risk&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/06\/22\/reconstruction-of-transmission-pairs-for-novel-coronavirus-disease-2019-covid-19-in-mainland-china-estimation-of-super-spreading-events-serial-interval-and-hazard-of-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":[],"topic":[21],"class_list":["post-7714","post","type-post","status-publish","format-standard","hentry","category-article-summary","topic-transmission"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/7714","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=7714"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/7714\/revisions"}],"predecessor-version":[{"id":7715,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/7714\/revisions\/7715"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=7714"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=7714"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=7714"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=7714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}