Risk of COVID-19 infection in medical workers of anti-tuberculosis facilities infected with M. Tuberculosis

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Abstract

Objective. Evaluation of the epidemic risk of COVID-19 incidence in the presence of latent tuberculosis infection (LTBI) in workers of anti-tuberculosis institutions.

Materials and methods. The analysis of the results of immunological testing of employees of anti-tuberculosis institutions for LTBI as a professional contact group for tuberculosis was carried out. The prevalence of LTBI was studied depending on gender, age, professional activity, and the relationship between the presence of LTBI and COVID-19 incidence.

Results. The average prevalence of M. tuberculosis among employees of the anti-tuberculosis institution was 9.7% and was related to professional activity - the highest among mid-level and junior medical personnel: 11.4 and 15.7%, respectively. Among health care workers, the likelihood of having LTBI was 1.56 times higher than among non-health care workers. People with LTBI had a 1.36-fold higher risk of developing COVID-19 than those without LTBI.

Conclusion. The prevalence of LTBI among employees of anti-tuberculosis institutions depends on professional activity. The presence of M. tuberculosis infection increases the risk of COVID-19.

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About the authors

Elena L. Khristoforova

Moscow City Scientific and Practical Center for Tuberculosis Control, Department of Health of the city of Moscow

Author for correspondence.
Email: KhristoforovaEL@zdrav.mos.ru
ORCID iD: 0009-0001-0690-7928

Epidemiologist, Head, Epidemiology Department

Russian Federation, Moscow

Elena M. Bogorodskaya

Russian Medical Academy of Continuous Professional Education

Email: BogorodskayaEM@zdrav.mos.ru
ORCID iD: 0000-0003-4552-5022

Professor, МD, Chief External Expert in Phthisiology, Department of Health of the Сity of Moscow; Head, Department of Phthisiology

Russian Federation, Moscow

Igor V. Nozdrevatykh

Moscow City Scientific and Practical Center for Tuberculosis Control, Department of Health of the city of Moscow; Russian Medical Academy of Continuous Professional Education

Email: NozdrevatykhIV@zdrav.mos.ru

МD, Deputy Chief Physician for Sanitary and Epidemiological Issues, Chief Epidemiologist. Department of Health of the Сity of Moscow; Professor, Department of Hospital Epidemiology, Medical Parasitology and Tropical Diseases

Russian Federation, Moscow; Moscow

Evgeniya A. Kotova

Moscow City Scientific and Practical Center for Tuberculosis Control, Department of Health of the city of Moscow; Russian Medical Academy of Continuous Professional Education

Email: KotovaEA2@zdrav.mos.ru
ORCID iD: 0000-0002-0959-7822

Cand. Med., Sci., Deputy Director for Scientific and Organizational-Methodological Work, Associate Professor, Department of Phthisiology

Russian Federation, Moscow; Moscow

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