{"id":3551,"date":"2021-01-29T20:09:09","date_gmt":"2021-01-30T04:09:09","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=3551"},"modified":"2021-02-22T22:12:08","modified_gmt":"2021-02-23T06:12:08","slug":"the-effectiveness-of-the-first-dose-of-bnt162-b-2-vaccine-in-reducing-sars-cov-2-infection-13-24-days-after-immunization-real-world-evidence","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/01\/29\/the-effectiveness-of-the-first-dose-of-bnt162-b-2-vaccine-in-reducing-sars-cov-2-infection-13-24-days-after-immunization-real-world-evidence\/","title":{"rendered":"The effectiveness of the first dose of BNT162 b 2 vaccine in reducing SARS-CoV-2 infection 13-24 days after immunization real-world evidence"},"content":{"rendered":"<p><i>[Pre-print, not peer-reviewed]<\/i> The first dose of the BNT162b2 mRNA COVID-19 vaccine (Pfizer\u2013BioNTech) is associated with an approximately 51% reduction in the incidence of PCR-confirmed SARS-CoV-2 infections at 13 to 24 days after immunization compared to the rate during the first 12 days. These findings are based on a retrospective cohort study in Israel (December 19 to January 15). Similar levels of effectiveness were found across age groups, sex, as well as among individuals residing in Arab or ultra-orthodox Jewish communities that have experienced an increased COVID-19 risk.<\/p>\n<p><i>Chodcik et al. (Jan 29, 2021). The effectiveness of the first dose of BNT162 b 2 vaccine in reducing SARS-CoV-2 infection 13-24 days after immunization real-world evidence. Pre-print downloaded Jan 29 from <\/i><a href=\"https:\/\/doi.org\/10.1101\/2021.01.27.21250612\">https:\/\/doi.org\/10.1101\/2021.01.27.21250612<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[Pre-print, not peer-reviewed] The first dose of the BNT162b2 mRNA COVID-19 vaccine (Pfizer\u2013BioNTech) is associated with an approximately 51% reduction in the incidence of PCR-confirmed SARS-CoV-2 infections at 13 to 24 days after immunization compared to the rate during the first 12 days. These findings are based on a retrospective cohort study in Israel (December&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/01\/29\/the-effectiveness-of-the-first-dose-of-bnt162-b-2-vaccine-in-reducing-sars-cov-2-infection-13-24-days-after-immunization-real-world-evidence\/\">Read more<\/a><\/div>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[6],"tags":[161,33],"topic":[31],"class_list":["post-3551","post","type-post","status-publish","format-standard","hentry","category-article-summary","tag-israel","tag-vaccines","topic-vaccines-and-immunity"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/3551","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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/comments?post=3551"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/3551\/revisions"}],"predecessor-version":[{"id":3552,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/3551\/revisions\/3552"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=3551"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=3551"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=3551"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=3551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}