{"id":10315,"date":"2021-06-10T10:30:23","date_gmt":"2021-06-10T17:30:23","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=10315"},"modified":"2021-06-11T10:31:05","modified_gmt":"2021-06-11T17:31:05","slug":"associations-of-vaccination-and-of-prior-infection-with-positive-pcr-test-results-for-sars-cov-2-in-airline-passengers-arriving-in-qatar","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/06\/10\/associations-of-vaccination-and-of-prior-infection-with-positive-pcr-test-results-for-sars-cov-2-in-airline-passengers-arriving-in-qatar\/","title":{"rendered":"Associations of Vaccination and of Prior Infection With Positive PCR Test Results for SARS-CoV-2 in Airline Passengers Arriving in Qatar"},"content":{"rendered":"<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Travelers fully vaccinated with a COVID-19 mRNA vaccine (n=10,092) had an 87% lower likelihood of having a positive SARS-CoV-2 PCR test upon arrival at Hamad International Airport in Qatar between February and April 2021 compared to travelers with no record of vaccination or prior infection matched 1:1 by age, sex, nationality, and date of testing (PCR positivity 0.8% vs 3.7%). Similarly, travelers with a record of prior infection (n=7,694) matched 1:1 to the same cohort of unvaccinated and infection-na\u00efve travelers had an 84% lower likelihood of having a positive PCR test (PCR positivity 1.0% vs 3.8%).\u00a0 Over 80% of PCR-positive sequenced specimens (n=72) were identified as variants of concern, with 44% identified as the B.1.351 (Beta) variant, 28% as the B.1.1.7 (Alpha) variant, and 11% as B.1.617 (Delta) variant.<\/span><\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400\">Bertollini et al.\u00a0(June 9, 2021). Associations of Vaccination and of Prior Infection With Positive PCR Test Results for SARS-CoV-2 in Airline Passengers Arriving in Qatar. JAMA. <\/span><\/i><a href=\"https:\/\/doi.org\/10.1001\/jama.2021.9970\"><span style=\"font-weight: 400\">https:\/\/doi.org\/10.1001\/jama.2021.9970<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Travelers fully vaccinated with a COVID-19 mRNA vaccine (n=10,092) had an 87% lower likelihood of having a positive SARS-CoV-2 PCR test upon arrival at Hamad International Airport in Qatar between February and April 2021 compared to travelers with no record of vaccination or prior infection matched 1:1 by age, sex, nationality, and date of testing&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/06\/10\/associations-of-vaccination-and-of-prior-infection-with-positive-pcr-test-results-for-sars-cov-2-in-airline-passengers-arriving-in-qatar\/\">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":[116,147],"topic":[31],"class_list":["post-10315","post","type-post","status-publish","format-standard","hentry","category-article-summary","tag-travel","tag-vaccination","topic-vaccines-and-immunity"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/10315","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=10315"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/10315\/revisions"}],"predecessor-version":[{"id":10316,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/10315\/revisions\/10316"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=10315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=10315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=10315"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=10315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}