{"id":5780,"date":"2021-03-03T09:41:26","date_gmt":"2021-03-03T17:41:26","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=5780"},"modified":"2021-03-04T09:42:43","modified_gmt":"2021-03-04T17:42:43","slug":"early-effectiveness-of-covid-19-vaccination-with-bnt162b2-mrna-vaccine-and-chadox1-adenovirus-vector-vaccine-on-symptomatic-disease-hospitalisations-and-mortality-in-older-adults-in-england","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/03\/03\/early-effectiveness-of-covid-19-vaccination-with-bnt162b2-mrna-vaccine-and-chadox1-adenovirus-vector-vaccine-on-symptomatic-disease-hospitalisations-and-mortality-in-older-adults-in-england\/","title":{"rendered":"Early Effectiveness of COVID-19 Vaccination with BNT162b2 MRNA Vaccine and ChAdOx1 Adenovirus Vector Vaccine on Symptomatic Disease Hospitalisations and Mortality in Older Adults in England"},"content":{"rendered":"<ul>\n<li><i>[Pre-print, not peer-reviewed]<\/i> A study of the real-world effectiveness of the Pfizer-BioNTech and Oxford-AstraZeneca vaccines in the UK indicated that vaccination with a single dose of either vaccine was associated with a significant reduction in symptomatic COVID-19 cases in older adults, with strong protection against severe disease. Effects of the Pfizer-BioNTech vaccine among adults 80 and older were observed 10-13 days after vaccination, reaching an effectiveness of 70% from 28-34 days. From 14 days after the second dose, vaccine efficacy was 89%. For those 70 and older, vaccine effectiveness reached 61% from 28-34 days after vaccination. With the Oxford-AstraZeneca vaccine, vaccine effects were seen from 14-20 days after vaccination, efficacy was 60% from 28-34 days, and increased to 73% from day 35 onwards.<\/li>\n<\/ul>\n<p><i>Bernal et al. (Mar 2, 2021). Early Effectiveness of COVID-19 Vaccination with BNT162b2 MRNA Vaccine and ChAdOx1 Adenovirus Vector Vaccine on Symptomatic Disease Hospitalisations and Mortality in Older Adults in England. Pre-print downloaded Mar 3 from <\/i><a href=\"https:\/\/doi.org\/10.1101\/2021.03.01.21252652\">https:\/\/doi.org\/10.1101\/2021.03.01.21252652<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[Pre-print, not peer-reviewed] A study of the real-world effectiveness of the Pfizer-BioNTech and Oxford-AstraZeneca vaccines in the UK indicated that vaccination with a single dose of either vaccine was associated with a significant reduction in symptomatic COVID-19 cases in older adults, with strong protection against severe disease. Effects of the Pfizer-BioNTech vaccine among adults 80&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/03\/03\/early-effectiveness-of-covid-19-vaccination-with-bnt162b2-mrna-vaccine-and-chadox1-adenovirus-vector-vaccine-on-symptomatic-disease-hospitalisations-and-mortality-in-older-adults-in-england\/\">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":[33],"topic":[31],"class_list":["post-5780","post","type-post","status-publish","format-standard","hentry","category-article-summary","tag-vaccines","topic-vaccines-and-immunity"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/5780","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=5780"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/5780\/revisions"}],"predecessor-version":[{"id":5781,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/5780\/revisions\/5781"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=5780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=5780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=5780"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=5780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}