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논문 기본 정보

자료유형
학술저널
저자정보
천영희 (충남대학교 의과대학 예방의학교실) 이현아 (충남대학교 의과대학 예방의학실) 남해성 (충남대학교) 최지혜 (충청남도보건환경연구원) 이다연 (충남보건환경연구원) 고영은 (충청남도보건환경연구원) 박종진 (충청남도보건환경연구원) 이미영 (충청남도보건환경연구원) 박준혁 (충청남도보건환경연구원)
저널정보
한국환경보건학회 한국환경보건학회지 한국환경보건학회지 제47권 제5호
발행연도
2021.10
수록면
472 - 478 (7page)
DOI
10.5668/JEHS.2021.47.5.472

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초록· 키워드

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Background: The Legionella case detection and notification rate have increased in public artificial water environments where people visit, including large buildings, public baths, and hospitals. Objectives: In this study, the distribution of Legionella and its epidemiologic characteristics were analyzed in the water systems of public facilities in Chungcheongnam-do Province in South Korea. Methods: Culture and PCR analysis were performed on 2,991 environmental water system samples collected from 2017 to 2019, and associations with year, facilities, seasons, and temperature of water system were statistically analyzed by using R-Studio for Windows. Descriptive data was compared using chi-square tests and independent t-tests. Results: The detection rate of Legionella increased from 3.1% in 2017 to 10.3% in 2019, appearing most frequently in the order of public baths, large-scale buildings, hospitals, and apartments. It was detected mainly in summer from June to August, over 1.0×103 CFU/L on average in 133 cases (66.5%). Lots of germs were detected in bathtub water, cooling tower water, and warm water (p<0.001), and it was detected at higher rates in the cities where multipurpose facilities were concentrated than in rural areas (p=0.018). Conclusions: This study suggests that continuous monitoring and control are required for Legionella in the water system environment of high risk facilities. Moreover, these results will be helpful to prepare efficient management plans to prevent the Legionellosis that occurs in Chungcheongnam-do Province.

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