The Association between Influenza Vaccination and the Risk of SARS-CoV-2 Infection, Severe Illness, and Death: A Systematic Review of the Literature

Marco Del Riccio, Chiara Lorini, Guglielmo Bonaccorsi, John Paget and Saverio Caini
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Marco Del Riccio: Postgraduate Medical School in Public Health, University of Florence, 50134 Florence, Italy
Chiara Lorini: Department of Health Sciences, University of Florence, 50134 Florence, Italy
Guglielmo Bonaccorsi: Department of Health Sciences, University of Florence, 50134 Florence, Italy
John Paget: Netherlands Institute for Health Services Research (Nivel), 3513 Utrecht, The Netherlands
Saverio Caini: Molecular and Lifestyle Epidemiology Branch, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), 50139 Florence, Italy

IJERPH, 2020, vol. 17, issue 21, 1-9

Abstract: We reviewed the association between seasonal influenza vaccination and the risk of SARS-CoV-2 infection or complicated illness or poor outcome (e.g., severe disease, need for hospitalization or ventilatory support, or death) among COVID-19 patients. None of the studies that were reviewed ( n = 12) found a significant increase in the risk of infection or in the illness severity or lethality, and some reported significantly inverse associations. Our findings support measures aimed at raising influenza vaccination coverage in the coming months.

Keywords: SARS-CoV-2; influenza vaccine; systematic review; infection; severity; risk (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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