{"id":10117,"date":"2021-06-01T11:21:20","date_gmt":"2021-06-01T18:21:20","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=10117"},"modified":"2021-06-03T11:22:04","modified_gmt":"2021-06-03T18:22:04","slug":"rate-and-risk-factors-for-breakthrough-sars-cov-2-infection-after-vaccination","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/06\/01\/rate-and-risk-factors-for-breakthrough-sars-cov-2-infection-after-vaccination\/","title":{"rendered":"Rate and Risk Factors for Breakthrough SARS-CoV-2 Infection After Vaccination"},"content":{"rendered":"<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Breakthrough infection rates were not statistically significantly different by sex or the type of mRNA vaccine administered, according to an analysis of data from a cohort of US veterans (n=14,875). Risk of breakthrough infection increased with age (HR=1.11) and presence of anemia (HR=1.37) and was lower among Black vs white veterans (HR=0.65). The 410 breakthrough SARS-CoV-2 infections were defined by a positive PCR test \u22657 days after receiving the second dose of an mRNA vaccine (Pfizer-BioNTech or Moderna) and corresponded to an incidence of 0.66 per 1,000 person-days.\u00a0<\/span><\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400\">Butt et al.\u00a0(May 2021). Rate and Risk Factors for Breakthrough SARS-CoV-2 Infection After Vaccination. Journal of Infection. <\/span><\/i><a href=\"https:\/\/doi.org\/10.1016\/j.jinf.2021.05.021\"><span style=\"font-weight: 400\">https:\/\/doi.org\/10.1016\/j.jinf.2021.05.021<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Breakthrough infection rates were not statistically significantly different by sex or the type of mRNA vaccine administered, according to an analysis of data from a cohort of US veterans (n=14,875). Risk of breakthrough infection increased with age (HR=1.11) and presence of anemia (HR=1.37) and was lower among Black vs white veterans (HR=0.65). The 410 breakthrough&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/06\/01\/rate-and-risk-factors-for-breakthrough-sars-cov-2-infection-after-vaccination\/\">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":[222,33],"topic":[31],"class_list":["post-10117","post","type-post","status-publish","format-standard","hentry","category-article-summary","tag-vaccine-breakthrough","tag-vaccines","topic-vaccines-and-immunity"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/10117","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=10117"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/10117\/revisions"}],"predecessor-version":[{"id":10118,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/10117\/revisions\/10118"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=10117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=10117"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=10117"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=10117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}