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Article

Prevalence of Current and Past SARS-CoV-2 Infections among Police Employees in Poland, June–July 2020

1
Department of Prevention of Environmental Hazards and Allergology, Medical University of Warsaw, 02-091 Warsaw, Poland
2
School of Public Health, Centre of Postgraduate Medical Education, 01-826 Warsaw, Poland
3
Central Clinical Hospital of the Ministry of the Interior and Administration in Warsaw, 02-507 Warsaw, Poland
4
UHE Satellite Campus in Warsaw, University of Humanities and Economics in Łódź, 01-513 Warsaw, Poland
5
Department of Internal Disease, Hypertension and Vascular Diseases, Medical University of Warsaw, 02-097 Warsaw, Poland
6
Department of Public Health, Medical University of Warsaw, 02-097 Warsaw, Poland
7
KR Consulting, 00-001 Warsaw, Poland
*
Author to whom correspondence should be addressed.
J. Clin. Med. 2020, 9(10), 3245; https://doi.org/10.3390/jcm9103245
Received: 16 September 2020 / Revised: 30 September 2020 / Accepted: 7 October 2020 / Published: 11 October 2020
Background: Coronavirus disease 2019 (COVID-19) is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). We aimed to determine the prevalence of current and past SARS-CoV-2 infections among police employees. Methods: This cross-sectional survey was undertaken among 5082 police employees from Mazowieckie Province, Poland. RT-PCR testing for current SARS-CoV-2 infection and serological tests (ELISA) for the presence of anti-SARS-CoV-2 IgM+IgA and IgG antibodies were performed. Results: All RT-PCR tests were negative. The anti-SARS-CoV-2 IgM+IgA index was positive (>8) in 8.9% of participants, including 11.2% women and 7.7% men (p < 0.001). Equivocal IgM+IgA index (6–8) was found in 9.8% of participants, including 11.9% women and 8.7% men (p < 0.001). The IgG index was positive (>6) in 4.3% and equivocal (4–6) in 13.2% of participants. A higher odds of positive IgM+IgA index was found in women vs. men (OR: 1.742) and police officers vs. civilian employees (OR: 1.411). Participants aged ≥60 years had a higher odds of positive IgG index vs. those aged 20–29 years (OR: 3.309). Daily vaping also increased the odds of positive IgG index (OR: 2.058). Conclusions: The majority of Polish police employees are seronegative for SARS-CoV-2 infection. Vaping and older age (≥60 years) were associated with a higher risk of SARS-CoV-2 infection. View Full-Text
Keywords: COVID-19; SARS-CoV-2; epidemiology; serology; RT-PCR; police COVID-19; SARS-CoV-2; epidemiology; serology; RT-PCR; police
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MDPI and ACS Style

Gujski, M.; Jankowski, M.; Pinkas, J.; Wierzba, W.; Samel-Kowalik, P.; Zaczyński, A.; Jędrusik, P.; Pańkowski, I.; Juszczyk, G.; Rakocy, K.; Raciborski, F. Prevalence of Current and Past SARS-CoV-2 Infections among Police Employees in Poland, June–July 2020. J. Clin. Med. 2020, 9, 3245. https://doi.org/10.3390/jcm9103245

AMA Style

Gujski M, Jankowski M, Pinkas J, Wierzba W, Samel-Kowalik P, Zaczyński A, Jędrusik P, Pańkowski I, Juszczyk G, Rakocy K, Raciborski F. Prevalence of Current and Past SARS-CoV-2 Infections among Police Employees in Poland, June–July 2020. Journal of Clinical Medicine. 2020; 9(10):3245. https://doi.org/10.3390/jcm9103245

Chicago/Turabian Style

Gujski, Mariusz, Mateusz Jankowski, Jarosław Pinkas, Waldemar Wierzba, Piotr Samel-Kowalik, Artur Zaczyński, Piotr Jędrusik, Igor Pańkowski, Grzegorz Juszczyk, Kamil Rakocy, and Filip Raciborski. 2020. "Prevalence of Current and Past SARS-CoV-2 Infections among Police Employees in Poland, June–July 2020" Journal of Clinical Medicine 9, no. 10: 3245. https://doi.org/10.3390/jcm9103245

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