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To clarify the doubts concerning the use of influenza vaccination in defense against COVID-19, this study assessed the effect of influenza vaccination on the possibility of SARS-CoV-2 infection in middle-aged individuals for a period of 8 weeks in comparison with individuals without vaccination.
This observational study of 1098 middle-aged
individuals found that administration of influenza vaccination may be effective
in decreasing the risk of SARS-CoV-2 infection and hospitalization to some
extent.
To clarify the doubts concerning the use of
influenza vaccination in defense against COVID-19, this study assessed the
effect of influenza vaccination on the possibility of SARS-CoV-2 infection in middle-aged
individuals for a period of 8 weeks in comparison with individuals without
vaccination.
Based
on medical records, the data from a total of 1098 middle-aged individuals
following the administration of influenza vaccination and 1205 unvaccinated
patients were evaluated. The age group of 40 to 60 years and influenza
vaccination in September 2020 was the inclusion criteria. The prevalence of
coronavirus infection was established by polymerase chain reaction.
Following influenza vaccination administration,
patients had considerably fewer infections of SARS-CoV-2 compared to the
unvaccinated individuals with a hazard ratio of 0.74 (95% CI: 0.54-0.89).
The administration of influenza vaccination may
partly lessen the possibility of SARS-CoV-2 infection in people aged 40 to 60
years.
Human Vaccines & Immunotherapeutics
Impact of influenza vaccination on the risk of SARS-CoV-2 infection in a middle-aged group of people
Andrzej Bozek et al.
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