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논문 기본 정보

자료유형
학술저널
저자정보
Ji-Yoon Lee (Busan Metropolitan City Institute of Health & Environment) Kyeong-A Kim (Busan Metropolitan City Institute of Health & Environment) Mi-Jung Park (Busan Metropolitan City Institute of Health & Environment) Hye-sook Heo (Busan Metropolitan City Institute of Health & Environment) Hyeo-jun Kim (Busan Metropolitan City Institute of Health & Environment) Ji-Hye Kang (Busan Metropolitan City Institute of Health & Environment) Young-ran Na (Busan Metropolitan City Institute of Health & Environment) Seung-Ju Lee (Busan Metropolitan City Institute of Health & Environment)
저널정보
대한미생물학회 JOURNAL OF BACTERIOLOGY AND VIROLOGY JOURNAL OF BACTERIOLOGY AND VIROLOGY Vol.54 No.3
발행연도
2024.9
수록면
234 - 242 (9page)

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Apartments are increasingly becoming common in South Korea and have become part of the transmission pathway for Legionnaires’ disease. However, research on this topic is scare. This study investigated Legionella contamination in the water supplied to apartments and compared it with that in the water supplied to multiuse facilities, including public bathhouse, a large building, hospital, accommodations, and fountain, to identify infection risk and analyze epidemiological characteristics. From January to November 2023, 298 water samples from apartments and 1,356 samples from multiuse facilities in Busan were tested. Twenty-eight Legionella isolates were identified from apartments, including 3 isolates of L. pneumophila sg 1; 7 of L. pneumophila sg 2-14; as well as the following non-L. pneumophila species: 12 isolates of L. longbeachae, 5 of L. anisa, and 1 of L. erythra. A total of 213 Legionella isolates were identified from multiuse facilities, including 123 of L. pneumophila and 90 of non-L. pneumophila species. The detection rate of Legionella by apartment age was 3.8% for 1-10 years, 6.7% for 11-20 years, and 13.6% for ≥20 years. Apartments had the highest detection rates in hot water (16.7%), faucets (5.9%), and cool water (5.2%), whereas multiuse facilities had detection rates of 23.3% in cooling tower water, 19.3% in hot water, 8.3% in tank water, 8.3% in fountains, and 8.1% cool water. Legionella counts were in the range of 200-16,000 CFU/L in apartments and 200-80,000 CFU/L in multiuse facilities. Continuous monitoring and appropriate measure should be reinforced to prevent or minimize bacterial contamination in water supply of apartments as well as multiuse facilities.

목차

INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
REFERENCES

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