Prevalence and Genetic Diversity of Spp. in Hotel Water-Supply Systems in Latvia

Overview

Journal Microorganisms

Specialty Microbiology

Date 2023 Mar 29

PMID 36985170

Authors

Olga Valcina

Daina Pule

Juris kibilds

Andzela Lazdane

Julija Trofimova

Svetlana Makarova

Genadijs Konvisers

Laima kimse

Angelika Krumina

Aivars Berzins

Affiliations

Soon will be listed here.

Abstract

is one of the most important waterborne pathogens that can lead to both outbreaks and sporadic cases. The majority of travel-associated Legionnaires' disease (TALD) cases are contracted during hotel stays. The aim of this study was to evaluate the prevalence and genetic diversity of spp. in hotel water supply systems in Latvia. In total, 834 hot water samples were collected from the water systems of 80 hotels in Latvia. At least one spp. positive sample was detected in 47 out of 80 hotels (58.8%). Overall, 235 out of 834 samples (28.2%) were spp. positive. The average hot water temperature in Latvian hotels was 49.8 °C. The most predominant serogroup (SG) was SG3 which was found in 113 (49.8%) positive samples from 27 hotels. For 79 sequenced isolates, 21 different sequence types (ST) were obtained, including 3 new types-ST2582, ST2579, and ST2580. High contamination and high genetic diversity were found in the hotel water supply systems in Latvia, which, together with the insufficient hot water temperature, may indicate that the lack of regulation and control measures may promote the proliferation of .

Citing Articles

Evaluation of Genetic Diversity and Virulence Potential of Isolated from Water Supply Systems of Residential Buildings in Latvia.

Valcina O, Pule D, kibilds J, Labecka L, Terentjeva M, Krumina A Pathogens. 2023; 12(7).

PMID: 37513731 PMC: 10385952. DOI: 10.3390/pathogens12070884.

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