Determining the risk level of covid-19 infection of medical workers

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Introduction. The primary task in assessing the probable risk of infection is to identify potential threats to the health and well-being of the population, determine the risks associated with the occupational activities of workers in various fields, including medical workers of various specialties, as well as analyze the effectiveness of measures already implemented to prevent them.

Materials and methods. An analysis of literature data in the Russian and English-language segments, own and dissertation research was carried out, significant factors in the spread of COVID-19 for medical workers of different specialties were identified.

Results. Based on the results of own research, the most significant risk factor in the spread of COVID-19 for medical workers was identified — failure to maintain a social distance of 1.5 meters (49.5%). An assessment was made of the level of probable risk of COVID-19 infection in the workplace for medical workers. The majority estimated the probable risk of infection at 1–2 points, which is moderate or low. Doctors — epidemiologists: about 48% of respondents spend more than 5 hours in the outbreak; 55.0% maintain a social distance of 1–1.5 meters; 65.0% of respondents visit 1–2 centers per day. General practitioners: 42.6% have contact with 5 or fewer patients; 29.5% maintain a social distance of 1–1.5 meters and 42.6% of respondents spend 5-10 minutes per patient.

Limitations. To implement this study, the required number of respondents was calculated using the method proposed by Viechtbauer W. et al. (2015). In this case, a 95% confidence interval and an expected response rate of 0.05 were set. According to the results obtained, at least ninety two people should take part in the study, which is a sufficient reference sample.

Conclusion. According to epidemiologists, the most significant factor in the spread of COVID-19 was failure to maintain a social distance of 1.5 meters and the failure to use masks when working with patients sick with the new coronavirus infection. According to general practitioners, the key factors in the spread of COVID-19 were the number of contacts with patients, the number of epicenters of infection visited, the length of the doctor’s stay at the site of the disease, as well as the distance during contact with the patient.

Compliance with ethical standards. All survey participants gave voluntary informed consent to participate in the study (approved by the local ethics committee, protocol No. 05-21 dated 03/10/2021).

Contribution:
Belova E.V. — concept and design of the study, writing the text;
Zabroda N.N. — approval of the final version of the article;
Istratov P.A. — responsible for the integrity of all parts of the article;
Sidorova E.A. — collection and processing of material, editing;
Simanovskiy A.A. — statistical data processing, editing;
Nesterov G.V. — editing, statistical data processing;
Lezinova A.I. — collection and processing of material;
Kraskevich D.A. — collection and processing of material, editing,
Severova L.P. — editing;
Zhernov Yu.V. — concept and design of the study;
Mitrokhin O.V. — approval of the final version of the article.

Conflict of interest. The authors declare no conflict of interest.

Acknowledgement. The study had no sponsorship.

Received: July 16, 2024 / Revised: October 22, 2024 / Accepted: October 23, 2024 / Published: November 19, 2024

作者简介

Elena Belova

First Moscow State Medical University named after I.M. Sechenov (Sechenov University)

Email: belova_e_v@staff.sechenov.ru

PhD (Medicine), Senior Lecturer of the Department of General Hygiene, F.F. Erisman Institute of Public Health, Sechenov University, Moscow, 119991, Russian Federation

e-mail: belova_e_v@staff.sechenov.ru

Nadezhda Zabroda

First Moscow State Medical University named after I.M. Sechenov (Sechenov University)

Email: zabroda_n_n@staff.sechenov.ru

DSc (Medicine), Professor of the Department of General Hygiene, F.F. Erisman Institute of Public Health, Sechenov University, Moscow, 119991, Russian Federation

e-mail: zabroda_n_n@staff.sechenov.ru

Petr Istratov

First Moscow State Medical University named after I.M. Sechenov (Sechenov University)

Email: istratow@mail.ru

Department of General Hygiene, F.F. Erisman Institute of Public Health, Sechenov University, Moscow, 119991, Russian Federation

e-mail: istratow@mail.ru

Ekaterina Sidorova

First Moscow State Medical University named after I.M. Sechenov (Sechenov University)

Email: sidorova_e_a@staff.sechenov.ru

Senior Lecturer, Department of General Hygiene, F.F. Erisman Institute of Public Health, Sechenov University, Moscow, 119048

e-mail: sidorova_e_a@staff.sechenov.ru

Anton Simanovskiy

First Moscow State Medical University named after I.M. Sechenov (Sechenov University)

Email: simanovskiy_a_a@staff.sechenov.ru

Senior Lecturer, Department of General Hygiene, F.F. Erisman Institute of Public Health, Sechenov University, Moscow, 119991, Russian Federation

e-mail: simanovskiy_a_a@staff.sechenov.ru

Georgii Nesterov

First Moscow State Medical University named after I.M. Sechenov (Sechenov University)

Email: nesterov_g_v_1@staff.sechenov.ru

Assistant of the Department of General Hygiene, Institute of Public Health named after F.F. Erisman, Sechenov University, Moscow, 119991, Russian Federation

e-mail: nesterov_g_v_1@staff.sechenov.ru

Alina Lezinova

First Moscow State Medical University named after I.M. Sechenov (Sechenov University)

Email: lezinova_a_i_1@staff.sechenov.ru

Assistant of the Department of General Hygiene, Institute of Public Health named after F.F. Erisman, Sechenov University, Moscow, 119991

e-mail: lezinova_a_i_1@staff.sechenov.ru

Denis Kraskevich

First Moscow State Medical University named after I.M. Sechenov (Sechenov University); Center for Hygiene and Epidemiology in Moscow

Email: kraskevich_d_a@staff.sechenov.ru

Assistant of the Department of General Hygiene, Institute of Public Health named after F.F. Erisman, Sechenov University, Moscow, 119991, Russian Federation

e-mail: kraskevich_d_a@staff.sechenov.ru

Lyudmila Severova

First Moscow State Medical University named after I.M. Sechenov (Sechenov University)

Email: severova_l_p@staff.sechenov.ru

PhD (Medicine), Associate Professor of the Department of Phthisiopulmonology and Thoracic Surgery named after M.I. Perelman, Sechenov University, Moscow, 119991, Russian Federation

e-mail: severova_l_p@staff.sechenov.ru

Yury Zhernov

First Moscow State Medical University named after I.M. Sechenov (Sechenov University); Moscow Medical University “Reaviz”; Fomin Clinic Michurinsky; A.N. Sysin Research Institute of Human Ecology and Environmental Hygiene, Centre for Strategic Planning of the Federal medical and biological agency

Email: zhernov_yu_v@staff.sechenov.ru

DSc (Medicine), Associate Professor in the specialty Hygiene, Director, A.N. Sysin Research Institute of Human Ecology and Environmental Hygiene, Centre for Strategic Planning of the Federal medical and biological agency, Moscow, 119121, Russian Federation; Professor of the Department of General Hygiene of the Institute of Public Health named after F.F. Erisman, Sechenov University, Moscow, 119435, Russian Federation; Moscow Medical University “Reaviz”, Moscow, 107564, Russian Federation; Fomin Clinic Michurinsky, Moscow, 119192, Russian Federation

e-mail: zhernov_yu_v@staff.sechenov.ru

Oleg Mitrokhin

First Moscow State Medical University named after I.M. Sechenov (Sechenov University)

编辑信件的主要联系方式.
Email: mitrokhin_o_v@staff.sechenov.ru

DSc (Medicine), Professor, Head of the Department of General Hygiene of the F.F. Erisman Institute of Public Health, Sechenov University, Moscow, 119435, Russian Federation

e-mail: mitrokhin_o_v@staff.sechenov.ru

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