{"id":9977,"date":"2021-05-24T11:45:55","date_gmt":"2021-05-24T18:45:55","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=9977"},"modified":"2021-05-25T11:46:36","modified_gmt":"2021-05-25T18:46:36","slug":"efficacy-estimates-for-various-covid-19-vaccines-what-we-know-from-the-literature-and-reports","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/05\/24\/efficacy-estimates-for-various-covid-19-vaccines-what-we-know-from-the-literature-and-reports\/","title":{"rendered":"Efficacy Estimates for Various COVID-19 Vaccines What We Know from the Literature and Reports"},"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[Pre-print, not peer-reviewed]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 report using data from publications, reports, and press releases concluded that the average efficacy of the Pfizer-BioNTech, Moderna, Johnson &amp; Johnson\/Janssen, Oxford-AstraZeneca, Sputnik, Novavax, Sinovac, and Sinopharm vaccines was about 85% against any disease with infection. Vaccine efficacy was &gt;80% for all vaccines included except for Sinovac (51%, 95% CI 36-62%). The average efficacy against severe disease, hospitalization or death was nearly 100%, and the average efficacy against infection, regardless of symptoms, was 84%. Additionally, the report found that the average vaccine efficacy against secondary transmission was 54%. Average efficacy against the different SARS-CoV-2 variants was 86% for B.1.1.7, 61% for B.1.1.28 or P1, and 56% for B.1.351.<\/span><\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400\">Shapiro et al.\u00a0(May 21, 2021). Efficacy Estimates for Various COVID-19 Vaccines What We Know from the Literature and Reports. Pre-print downloaded May 24 from <\/span><\/i><a href=\"https:\/\/doi.org\/10.1101\/2021.05.20.21257461\"><span style=\"font-weight: 400\">https:\/\/doi.org\/10.1101\/2021.05.20.21257461<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[Pre-print, not peer-reviewed] A report using data from publications, reports, and press releases concluded that the average efficacy of the Pfizer-BioNTech, Moderna, Johnson &amp; Johnson\/Janssen, Oxford-AstraZeneca, Sputnik, Novavax, Sinovac, and Sinopharm vaccines was about 85% against any disease with infection. Vaccine efficacy was &gt;80% for all vaccines included except for Sinovac (51%, 95% CI 36-62%)&#8230;.<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/05\/24\/efficacy-estimates-for-various-covid-19-vaccines-what-we-know-from-the-literature-and-reports\/\">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":[33,141],"topic":[31],"class_list":["post-9977","post","type-post","status-publish","format-standard","hentry","category-article-summary","tag-vaccines","tag-variant","topic-vaccines-and-immunity"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/9977","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=9977"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/9977\/revisions"}],"predecessor-version":[{"id":9978,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/9977\/revisions\/9978"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=9977"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=9977"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=9977"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=9977"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}