{"id":8122,"date":"2020-07-13T09:30:57","date_gmt":"2020-07-13T16:30:57","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=8122"},"modified":"2021-03-31T09:32:02","modified_gmt":"2021-03-31T16:32:02","slug":"factors-affecting-stability-and-infectivity-of-sars-cov-2","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/07\/13\/factors-affecting-stability-and-infectivity-of-sars-cov-2\/","title":{"rendered":"Factors Affecting Stability and Infectivity of SARS-CoV-2"},"content":{"rendered":"<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"43\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Chan et al. studied the concentration of viable (able to infect tissue culture) SARS-CoV-2 after exposure to a range of environmental conditions using the TCID<\/span><span data-contrast=\"auto\">50<\/span><span data-contrast=\"auto\">\u00a0assay. The<\/span><span data-contrast=\"auto\">y<\/span><span data-contrast=\"auto\">\u00a0found that SARS-CoV-2 retained viability for 3-5 days when dried and for 7 days when in solution<\/span><span data-contrast=\"auto\">\u00a0at room temperature. Survival improved<\/span><span data-contrast=\"auto\">\u00a0at lower temperatures and\u00a0<\/span><span data-contrast=\"auto\">declined\u00a0<\/span><span data-contrast=\"auto\">at higher temperatures. The virus also remained viable at a range of pH values, but lost infectivity at pH extremes. Similarly, the virus quickly lost infectivity in watery stool over a 3<\/span><span data-contrast=\"auto\">&#8211;<\/span><span data-contrast=\"auto\">day period. The authors found that common laboratory and domestic disinfectants<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">effectively inactivate SARS-CoV-2,<\/span><span data-contrast=\"auto\">\u00a0as\u00a0<\/span><span data-contrast=\"auto\">did\u00a0<\/span><span data-contrast=\"auto\">procedures used to prepare serum for immunoassays and to fix slides for processing in a Biosafety Level 2 laboratory.<\/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\">Chan et al. (July 2020). Factors Affecting Stability and Infectivity of SARS-CoV-2. The Journal of Hospital Infection.\u00a0<\/span><\/i><a href=\"https:\/\/doi.org\/10.1016\/j.jhin.2020.07.009\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1016\/j.jhin.2020.07.009<\/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>Chan et al. studied the concentration of viable (able to infect tissue culture) SARS-CoV-2 after exposure to a range of environmental conditions using the TCID50\u00a0assay. They\u00a0found that SARS-CoV-2 retained viability for 3-5 days when dried and for 7 days when in solution\u00a0at room temperature. Survival improved\u00a0at lower temperatures and\u00a0declined\u00a0at higher temperatures. The virus also remained&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/07\/13\/factors-affecting-stability-and-infectivity-of-sars-cov-2\/\">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-8122","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\/8122","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=8122"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/8122\/revisions"}],"predecessor-version":[{"id":8123,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/8122\/revisions\/8123"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=8122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=8122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=8122"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=8122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}