{"id":10225,"date":"2021-06-07T10:48:02","date_gmt":"2021-06-07T17:48:02","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=10225"},"modified":"2021-06-08T10:48:55","modified_gmt":"2021-06-08T17:48:55","slug":"comparative-household-secondary-attack-rates-associated-with-b-1-1-7-b-1-351-and-p-1-sars-cov-2-variants","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/06\/07\/comparative-household-secondary-attack-rates-associated-with-b-1-1-7-b-1-351-and-p-1-sars-cov-2-variants\/","title":{"rendered":"Comparative Household Secondary Attack Rates Associated with B.1.1.7 B.1.351 and P.1 SARS-CoV-2 Variants"},"content":{"rendered":"<ul>\n<li style=\"font-weight: 400\"><i><span style=\"font-weight: 400\">[Pre-print, not peer-reviewed]<\/span><\/i><span style=\"font-weight: 400\"> A study conducted in Ontario, Canada found that household<\/span><span style=\"font-weight: 400\"> secondary attack rates were 20.2% <\/span><span style=\"font-weight: 400\">for <\/span><span style=\"font-weight: 400\">wild-type, 25.1% <\/span><span style=\"font-weight: 400\">for <\/span><span style=\"font-weight: 400\">B.1.1.7, 27.2% <\/span><span style=\"font-weight: 400\">for <\/span><span style=\"font-weight: 400\">B.1.351 or P.1, and 23.3% <\/span><span style=\"font-weight: 400\">for <\/span><span style=\"font-weight: 400\">non-<\/span><span style=\"font-weight: 400\">variants of concern (VOC)<\/span><span style=\"font-weight: 400\"> mutat<\/span><span style=\"font-weight: 400\">ions in SARS-CoV-2<\/span><span style=\"font-weight: 400\">. Cases were grouped into households based on reported residential address: 7,555 (28%) were wild-type, 17,058 (63%) were B.1.1.7, 1674 (6%) were B.1.351 or P.1, and 601 (2%) were non-VOC mutations. In adjusted analyses, index cases infected with the B.1.1.7, B.1.351, and P.1 VOC had the highest transmissibility (B.1.1.7 aOR<\/span> <span style=\"font-weight: 400\">= 1.5, B.1.351 or P.1 aOR = 1.6).\u00a0<\/span><\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400\">Brown et al.\u00a0(June 4, 2021). Comparative Household Secondary Attack Rates Associated with B.1.1.7 B.1.351 and P.1 SARS-CoV-2 Variants. Pre-print downloaded Jun 7 from <\/span><\/i><a href=\"https:\/\/doi.org\/10.1101\/2021.06.03.21258302\"><span style=\"font-weight: 400\">https:\/\/doi.org\/10.1101\/2021.06.03.21258302<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[Pre-print, not peer-reviewed] A study conducted in Ontario, Canada found that household secondary attack rates were 20.2% for wild-type, 25.1% for B.1.1.7, 27.2% for B.1.351 or P.1, and 23.3% for non-variants of concern (VOC) mutations in SARS-CoV-2. Cases were grouped into households based on reported residential address: 7,555 (28%) were wild-type, 17,058 (63%) were B.1.1.7,&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/06\/07\/comparative-household-secondary-attack-rates-associated-with-b-1-1-7-b-1-351-and-p-1-sars-cov-2-variants\/\">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":[38,141],"topic":[21],"class_list":["post-10225","post","type-post","status-publish","format-standard","hentry","category-article-summary","tag-transmission","tag-variant","topic-transmission"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/10225","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=10225"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/10225\/revisions"}],"predecessor-version":[{"id":10226,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/10225\/revisions\/10226"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=10225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=10225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=10225"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=10225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}