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Association between influenza vaccination and risk of SARS-CoV-2 infection

Association between influenza vaccination and risk of SARS-CoV-2 infection Association between influenza vaccination and risk of SARS-CoV-2 infection
Association between influenza vaccination and risk of SARS-CoV-2 infection Association between influenza vaccination and risk of SARS-CoV-2 infection

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.

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Key take away

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.

Background

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.

Method

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.

Result

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).

Conclusion

The administration of influenza vaccination may partly lessen the possibility of SARS-CoV-2 infection in people aged 40 to 60 years.

Source:

Human Vaccines & Immunotherapeutics

Article:

Impact of influenza vaccination on the risk of SARS-CoV-2 infection in a middle-aged group of people

Authors:

Andrzej Bozek et al.

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