research product . 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.

Kissling, E.; Hooiveld, M.; Brytting, M.; Vilcu, A.M.; Lange, M. de; Martínez-Baz, I.; Sigerson, D.; Enkirch, T.; Belhillil, S.; Meijer, A.; ...
Open Access
  • Published: 01 Jan 2021
Background 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 ...
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