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


DOI: https://dx.doi.org/10.18565/epidem.2024.14.4.55-9

Khristoforova E.L., Bogorodskaya E.M., Nozdrevatykh I.V., Kotova E.A.

1) Moscow City Scientific and Practical Center for Tuberculosis Control, Department of Health of the city of Moscow; 2) Russian Medical Academy of Continuous Professional Education, Moscow, Russia
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 Autors


Elena L. Khristoforova, Epidemiologist, Head, Epidemiology Department, Moscow City Scientific and Practical Center for Tuberculosis Control, Department of Health of the Сity of Moscow, Moscow, Russia; KhristoforovaEL@zdrav.mos.ru; https://orcid.org/0009-0001-0690-7928
Professor Elena M. Bogorodskaya, МD, Chief External Expert in Phthisiology, Department of Health of the Сity of Moscow; Head, Department of Phthisiology, Russian Medical Academy of Continuous Professional Education, Moscow, Russia; BogorodskayaEM@zdrav.mos.ru; https://orcid.org/0000-0003-4552-5022
Professor Igor V. Nozdrevatykh, МD, Deputy Chief Physician for Sanitary and Epidemiological Issues, Moscow City Scientific and Practical Center for Tuberculosis Control, Department of Health of the Сity of Moscow; Chief Epidemiologist. Department of Health of the Сity of Moscow; Professor, Department of Hospital Epidemiology, Medical Parasitology and Tropical Diseases, Russian Medical Academy of Continuous Professional Education, Moscow, Russia; NozdrevatykhIV@zdrav.mos.ru
Evgeniya A. Kotova, Cand. Med., Sci., Deputy Director for Scientific and Organizational-Methodological Work, Moscow City Scientific and Practical Center for Tuberculosis Control, Department of Health of the Сity of Moscow; Associate Professor, Department of Phthisiology, Russian Medical Academy of Continuous Professional Education, Moscow, Russia; KotovaEA2@zdrav.mos.ru; https://orcid.org/0000-0002-0959-7822


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