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dc.contributor.authorKissling, Esther
dc.contributor.authorHooiveld, Mariëtte
dc.contributor.authorBrytting, Mia
dc.contributor.authorVilcu, Ana Maria
dc.contributor.authorde Lange, Marit
dc.contributor.authorMartínez-Baz, Iván
dc.contributor.authorSigerson, Debbie
dc.contributor.authorEnkirch, Theresa
dc.contributor.authorBelhillil, Sylvie
dc.contributor.authorMeijer, Adam
dc.contributor.authorCastilla, Jesus
dc.contributor.authorWilliam, Naoma
dc.contributor.authorCarnahan, Anna Sara
dc.contributor.authorFalchi, Alessandra
dc.contributor.authorHendriksen, Janneke
dc.contributor.authorCasado, Itziar
dc.contributor.authorMurray, Josie
dc.contributor.authorEnouf, Vincent
dc.contributor.authorDijkstra, Frederika
dc.contributor.authorMarques, Diogo F.P.
dc.contributor.authorValenciano, Marta
dc.date.accessioned2022-09-28T10:30:12Z
dc.date.available2022-09-28T10:30:12Z
dc.date.issued2021-07
dc.identifier280689434
dc.identifier6f7beb42-b56d-4c92-9dea-11db4da2b181
dc.identifier85099909001
dc.identifier33481344
dc.identifier.citationKissling , E , Hooiveld , M , Brytting , M , Vilcu , A M , de Lange , M , Martínez-Baz , I , Sigerson , D , Enkirch , T , Belhillil , S , Meijer , A , Castilla , J , William , N , Carnahan , A S , Falchi , A , Hendriksen , J , Casado , I , Murray , J , Enouf , V , Dijkstra , F , Marques , D F P & Valenciano , M 2021 , ' Absence of association between 2019-20 influenza vaccination and COVID-19 : results of the European I-MOVE-COVID-19 primary care project, March-August 2020 ' , Influenza and other Respiratory Viruses , vol. 15 , no. 4 , pp. 429-438 . https://doi.org/10.1111/irv.12839en
dc.identifier.issn1750-2640
dc.identifier.otherORCID: /0000-0002-1511-7944/work/116910272
dc.identifier.urihttps://hdl.handle.net/10023/26079
dc.descriptionThe I‐MOVE‐COVID‐19 network has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement no 101003673.en
dc.description.abstractBackground : Claims of influenza vaccination increasing COVID-19 risk are circulating. Within the I-MOVE-COVID-19 primary care multicentre study, we measured the association between 2019-20 influenza vaccination and COVID-19.  Methods : We conducted a multicentre test-negative case-control study at primary care level, in study sites in five European countries, from March to August 2020. Patients presenting with acute respiratory infection were swabbed, with demographic, 2019-20 influenza vaccination and clinical information documented. Using logistic regression, we measured the adjusted odds ratio (aOR), adjusting for study site and age, sex, calendar time, presence of chronic conditions. The main analysis included patients swabbed ≤7 days after onset from the three countries with <15% of missing influenza vaccination. In secondary analyses, we included five countries, using multiple imputation with chained equations to account for missing data.  Results : We included 257 COVID-19 cases and 1631 controls in the main analysis (three countries). The overall aOR between influenza vaccination and COVID-19 was 0.93 (95% CI: 0.66-1.32). The aOR was 0.92 (95% CI: 0.58-1.46) and 0.92 (95% CI: 0.51-1.67) among those aged 20-59 and ≥60 years, respectively. In secondary analyses, we included 6457 cases and 69 272 controls. The imputed aOR was 0.87 (95% CI: 0.79-0.95) among all ages and any delay between swab and symptom onset.  Conclusions : There was no evidence that COVID-19 cases were more likely to be vaccinated against influenza than controls. Influenza vaccination should be encouraged among target groups for vaccination. I-MOVE-COVID-19 will continue documenting influenza vaccination status in 2020-21, in order to learn about effects of recent influenza vaccination.
dc.format.extent10
dc.format.extent591428
dc.language.isoeng
dc.relation.ispartofInfluenza and other Respiratory Virusesen
dc.subjectCase-control studyen
dc.subjectCOVID-19en
dc.subjectInfluenza vaccinationen
dc.subjectMulticentre studyen
dc.subjectSARS-CoV-2en
dc.subjectTest-negative designen
dc.subjectRA0421 Public health. Hygiene. Preventive Medicineen
dc.subjectRM Therapeutics. Pharmacologyen
dc.subjectEpidemiologyen
dc.subjectInfectious Diseasesen
dc.subjectPublic Health, Environmental and Occupational Healthen
dc.subjectPulmonary and Respiratory Medicineen
dc.subjectE-DASen
dc.subjectSDG 3 - Good Health and Well-beingen
dc.subjectNISen
dc.subject.lccRA0421en
dc.subject.lccRMen
dc.titleAbsence of association between 2019-20 influenza vaccination and COVID-19 : results of the European I-MOVE-COVID-19 primary care project, March-August 2020en
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews. School of Medicineen
dc.contributor.institutionUniversity of St Andrews. Education Divisionen
dc.identifier.doihttps://doi.org/10.1111/irv.12839
dc.description.statusPeer revieweden


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