Bern police officers tested for COVID-19 immunity over one year

NCT ID NCT04643444

First seen Nov 01, 2025 · Last updated May 09, 2026 · Updated 21 times

Summary

This study checked how many police officers in Bern, Switzerland had antibodies against COVID-19 over one year. About 1,024 officers volunteered to give blood samples at five different times. Researchers also looked at their risk of catching the virus at work and at home, and how well they used protective gear like masks.

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Contacts and locations

Locations

  • University of Bern, Institute for Infectious Diseases

    Bern, Canton of Bern, 3010, Switzerland

Conditions

Explore the condition pages connected to this study.