ANALYSIS OF THE LEVEL AND RATE OF LEGIONELLA PNEUMOPHILA CONTAMINATION OF HOT WATER SUPPLY SYSTEMS IN THE THERAPEUTIC-AND-PROPHYLACTIC INSTITUTIONS OF MOSCOW


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Abstract

The specific features of Legionella colonization of water supply systems were studied in the large healthcare facilities (HCF) of Moscow. Examination of 16 buildings of 5 Moscow multidisciplinary HCFs, including their risk-group units, revealed the high level (68%) of Legionella pneumophila contamination of hot water supply systems. Among the Legionella pneumophila strains circulating in the hot water supply systems of Moscow HCFs, there was a preponderance of its serogroup 6 (44%), 5 (26%), and 1 (13%) strains. The findings suggest that it is necessary to arrange a set of prophylactic measures for microbiological monitoring and protection of water systems in the HCFs, which are aimed at preventing nosocomial legionellosis.

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About the authors

O. A GRUZDEVA

I.M. Sechenov First Moscow State Medical University

Email: gruzdeva_oa@mail.ru

N. N FILATOV

Board, Russian Inspectorate for the Protection of Consumer Rights and Human Welfare in Moscow

O. V SADRETDINOVA

N.F. Gamaleya Research Institute of Epidemiology and Microbiology, Ministry of Health and Social Development of Russia

T. I KARPOVA

N.F. Gamaleya Research Institute of Epidemiology and Microbiology, Ministry of Health and Social Development of Russia

Yu. E DRONINA

N.F. Gamaleya Research Institute of Epidemiology and Microbiology, Ministry of Health and Social Development of Russia

N. M SHUSTROVA

N.F. Gamaleya Research Institute of Epidemiology and Microbiology, Ministry of Health and Social Development of Russia

Yu. S ALYAPKINA

N.F. Gamaleya Research Institute of Epidemiology and Microbiology, Ministry of Health and Social Development of Russia

V. G FOKINA

Center for Hygiene and Epidemiology in Moscow

G. Yu NIKITINA

S.P. Botkin City Hospital

N. E DROZDOVA

N.V. Sklifosovsky Research Institute of Emergency Care

Yu. V NIKOLSKAYA

Acad. B.V. Petrovsky Russian Surgery Research Center, Russian Academy of Medical Sciences

I. S TARTAKOVSKY

N.F. Gamaleya Research Institute of Epidemiology and Microbiology, Ministry of Health and Social Development of Russia

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