{"id":10262,"date":"2021-06-08T13:15:32","date_gmt":"2021-06-08T20:15:32","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=10262"},"modified":"2021-06-09T13:16:13","modified_gmt":"2021-06-09T20:16:13","slug":"assessment-of-effectiveness-of-1-dose-of-bnt162b2-vaccine-for-sars-cov-2-infection-13-to-24-days-after-immunization","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/06\/08\/assessment-of-effectiveness-of-1-dose-of-bnt162b2-vaccine-for-sars-cov-2-infection-13-to-24-days-after-immunization\/","title":{"rendered":"Assessment of Effectiveness of 1 Dose of BNT162b2 Vaccine for SARS-CoV-2 Infection 13 to 24 Days After Immunization"},"content":{"rendered":"<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The risk of any SARS-CoV-2 infection was reduced by 51% between 13 to 24 days after the first dose of the Pfizer-BioNTech vaccine when compared to a period of 1 to 12 days after vaccination, according to a comparative effectiveness study in Israel (n=503,875). The weighted daily incidence of SARS-CoV-2 infection decreased from 43.4 infections per 100,000 in days 1 through 12 to 21.1 infections per 100,000 in days 13 to 24, with similar decreases across age and sex subgroups. Overall single-dose vaccine effectiveness against symptomatic COVID-19 was 54.4%.<\/span><\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400\">Chodick et al.\u00a0(June 7, 2021). Assessment of Effectiveness of 1 Dose of BNT162b2 Vaccine for SARS-CoV-2 Infection 13 to 24 Days After Immunization. JAMA Network Open. <\/span><\/i><a href=\"https:\/\/doi.org\/10.1001\/jamanetworkopen.2021.15985\"><span style=\"font-weight: 400\">https:\/\/doi.org\/10.1001\/jamanetworkopen.2021.15985<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The risk of any SARS-CoV-2 infection was reduced by 51% between 13 to 24 days after the first dose of the Pfizer-BioNTech vaccine when compared to a period of 1 to 12 days after vaccination, according to a comparative effectiveness study in Israel (n=503,875). The weighted daily incidence of SARS-CoV-2 infection decreased from 43.4 infections&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/06\/08\/assessment-of-effectiveness-of-1-dose-of-bnt162b2-vaccine-for-sars-cov-2-infection-13-to-24-days-after-immunization\/\">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":[142],"topic":[31],"class_list":["post-10262","post","type-post","status-publish","format-standard","hentry","category-article-summary","tag-vaccine","topic-vaccines-and-immunity"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/10262","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=10262"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/10262\/revisions"}],"predecessor-version":[{"id":10263,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/10262\/revisions\/10263"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=10262"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=10262"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=10262"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=10262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}