{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,13]],"date-time":"2025-05-13T21:57:30Z","timestamp":1747173450459,"version":"3.40.5"},"reference-count":15,"publisher":"Cambridge University Press (CUP)","license":[{"start":{"date-parts":[[2023,7,4]],"date-time":"2023-07-04T00:00:00Z","timestamp":1688428800000},"content-version":"unspecified","delay-in-days":184,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["cambridge.org"],"crossmark-restriction":true},"short-container-title":["Epidemiol. Infect."],"published-print":{"date-parts":[[2023]]},"abstract":"<jats:title>Abstract<\/jats:title>\n\t  <jats:p>An outbreak of SARS-CoV-2 was confirmed after an academic party in Helsinki, Finland, in 2022. All 70 guests were requested to fill in follow-up questionnaires; serologic analyses and whole-genome sequencing (WGS) were conducted when possible.<\/jats:p>\n\t  <jats:p>Of those participating \u2013 all but one with \u22653 vaccine doses \u2013 21\/53 (40%) had test-confirmed symptomatic COVID-19: 7% of those with earlier episodes and 76% of those without. Half (11\/21) were febrile, but none needed hospitalisation. WGS revealed subvariant BA.2.23.<\/jats:p>\n\t  <jats:p>Compared to vaccination alone, our data suggest remarkable protection by hybrid immunity against symptomatic infection, particularly in instances of recent infections with homologous variants.<\/jats:p>","DOI":"10.1017\/s0950268823001024","type":"journal-article","created":{"date-parts":[[2023,7,4]],"date-time":"2023-07-04T09:21:20Z","timestamp":1688462480000},"update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":0,"title":["Superspreading of SARS-CoV-2 Omicron BA.2.23 among vaccinated Finnish adults: symptomatic COVID-19 only contracted by those without recent infection"],"prefix":"10.1017","volume":"151","author":[{"given":"Marianna","family":"Riekkinen","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mikael","family":"Kajova","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mari","family":"Eriksson","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Annika","family":"Luukkainen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ville","family":"Holmberg","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tuomas","family":"Aro","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sari H","family":"Pakkanen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Simo","family":"Miettinen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Reetta","family":"Montonen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Teemu","family":"Smura","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tinja","family":"L\u00e4\u00e4veri","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0004-1000","authenticated-orcid":false,"given":"Anu","family":"Kantele","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2023,7,4]]},"reference":[{"key":"S0950268823001024_r14","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa2118946"},{"key":"S0950268823001024_r7","doi-asserted-by":"publisher","DOI":"10.1016\/j.tmaid.2020.101949"},{"key":"S0950268823001024_r12","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa2203965"},{"key":"S0950268823001024_r9","doi-asserted-by":"publisher","DOI":"10.3390\/v12050513"},{"key":"S0950268823001024_r3","doi-asserted-by":"publisher","DOI":"10.2807\/1560-7917.ES.2021.26.50.2101147"},{"key":"S0950268823001024_r15","doi-asserted-by":"publisher","DOI":"10.1016\/S1473-3099(22)00595-3"},{"key":"S0950268823001024_r6","doi-asserted-by":"publisher","DOI":"10.2807\/1560-7917.ES.2020.25.11.2000266"},{"key":"S0950268823001024_r11","doi-asserted-by":"publisher","DOI":"10.1016\/j.jinf.2020.11.021"},{"key":"S0950268823001024_r10","doi-asserted-by":"publisher","DOI":"10.1186\/s12859-021-04294-2"},{"key":"S0950268823001024_r1","doi-asserted-by":"publisher","DOI":"10.1002\/jmv.27588"},{"key":"S0950268823001024_r8","doi-asserted-by":"publisher","DOI":"10.1093\/infdis\/jiab222"},{"key":"S0950268823001024_r2","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-022-33498-0"},{"key":"S0950268823001024_r4","doi-asserted-by":"publisher","DOI":"10.1093\/cid\/ciac089"},{"key":"S0950268823001024_r13","doi-asserted-by":"publisher","DOI":"10.1016\/S1473-3099(22)00801-5"},{"key":"S0950268823001024_r5","unstructured":"[5] Finnish Institute for Health and Welfare (THL) Genomic surveillance of SARS-CoV-2 database. https:\/\/thl.fi\/en\/web\/infectious-diseases-and-vaccinations\/what-s-new\/coronavirus-covid-19-latest-updates\/coronavirus-variants\/genomic-surveillance-of-sars-cov-2. (accessed 9 June 2023)."}],"container-title":["Epidemiology and Infection"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S0950268823001024","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,7,19]],"date-time":"2023-07-19T10:19:53Z","timestamp":1689761993000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S0950268823001024\/type\/journal_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023]]},"references-count":15,"alternative-id":["S0950268823001024"],"URL":"https:\/\/doi.org\/10.1017\/s0950268823001024","relation":{},"ISSN":["0950-2688","1469-4409"],"issn-type":[{"type":"print","value":"0950-2688"},{"type":"electronic","value":"1469-4409"}],"subject":[],"published":{"date-parts":[[2023]]},"assertion":[{"value":"\u00a9 University of Helsinki, 2023. Published by Cambridge University Press","name":"copyright","label":"Copyright","group":{"name":"copyright_and_licensing","label":"Copyright and Licensing"}},{"value":"This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http:\/\/creativecommons.org\/licenses\/by\/4.0), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.","name":"license","label":"License","group":{"name":"copyright_and_licensing","label":"Copyright and Licensing"}},{"value":"This content has been made available to all.","name":"free","label":"Free to read"}],"article-number":"e113"}}