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The high prevalence of Legionella pneumophila contamination in hospital potable water systems in Taiwan: implications for hospital infection control in Asia.
Int J Infect Dis. 2008 Jul; 12(4):416-20.IJ

Abstract

BACKGROUND

The major sources of Legionnaires' disease (LD) are the potable water systems of large buildings including hospitals, nursing homes, and hotels. Culturing the hospital water system for Legionella allows a preventive approach for hospital-acquired LD. However, hospital-acquired LD is rarely reported in Taiwan, and environmental cultures of Legionella in hospital water systems in Taiwan have never been systematically performed.

OBJECTIVE

The objective of this study was to determine if Legionella is present in hospital water systems in Taiwan. Water quality analysis was also performed to determine if geographic differences in water quality result in different Legionella positivity rates.

METHOD

The water systems of 16 hospitals throughout Taiwan were tested for Legionella by culture. Standardized culture procedures were followed.

RESULTS

Legionella pneumophila was isolated from 63% (10/16) of the hospital water systems; 19% (3/16) of the hospitals had an L. pneumophila positive rate greater than 30%. L. pneumophila serogroups 1 and 6 (strains that are most responsible for Legionella infections) were isolated from 80% (8/10) and 60% (6/10), respectively, of the hospitals that yielded L. pneumophila in their water distribution systems.

CONCLUSION

As was shown in epidemiological studies in the USA and Spain, hospital-acquired legionellosis may be prevalent but underdiagnosed in Taiwan.

Authors+Show Affiliations

Center for Environmental Laboratory Services, National Kaohsiung Normal University, 62 Shen-chong Rd, Yanchao, Kaohsiung, 824, Taiwan.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Multicenter Study
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

18243750

Citation

Yu, Pei-Yi, et al. "The High Prevalence of Legionella Pneumophila Contamination in Hospital Potable Water Systems in Taiwan: Implications for Hospital Infection Control in Asia." International Journal of Infectious Diseases : IJID : Official Publication of the International Society for Infectious Diseases, vol. 12, no. 4, 2008, pp. 416-20.
Yu PY, Lin YE, Lin WR, et al. The high prevalence of Legionella pneumophila contamination in hospital potable water systems in Taiwan: implications for hospital infection control in Asia. Int J Infect Dis. 2008;12(4):416-20.
Yu, P. Y., Lin, Y. E., Lin, W. R., Shih, H. Y., Chuang, Y. C., Ben, R. J., Huang, W. K., Chen, Y. S., Liu, Y. C., Chang, F. Y., Yen, M. Y., Liu, C. C., Ko, W. C., Lin, H. H., & Shi, Z. Y. (2008). The high prevalence of Legionella pneumophila contamination in hospital potable water systems in Taiwan: implications for hospital infection control in Asia. International Journal of Infectious Diseases : IJID : Official Publication of the International Society for Infectious Diseases, 12(4), 416-20. https://doi.org/10.1016/j.ijid.2007.11.008
Yu PY, et al. The High Prevalence of Legionella Pneumophila Contamination in Hospital Potable Water Systems in Taiwan: Implications for Hospital Infection Control in Asia. Int J Infect Dis. 2008;12(4):416-20. PubMed PMID: 18243750.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The high prevalence of Legionella pneumophila contamination in hospital potable water systems in Taiwan: implications for hospital infection control in Asia. AU - Yu,Pei-Yi, AU - Lin,Yusen Eason, AU - Lin,Wei-Ru, AU - Shih,Hsiu-Yun, AU - Chuang,Yin-Ching, AU - Ben,Ren-Jy, AU - Huang,Wen-Kuei, AU - Chen,Yao-Shen, AU - Liu,Yung-Ching, AU - Chang,Feng-Yee, AU - Yen,Muh-Yong, AU - Liu,Ching-Chuan, AU - Ko,Wen-Chien, AU - Lin,Hsi-Hsun, AU - Shi,Zhi-Yuan, Y1 - 2008/02/20/ PY - 2007/07/09/received PY - 2007/11/19/revised PY - 2007/11/22/accepted PY - 2008/2/5/pubmed PY - 2008/10/15/medline PY - 2008/2/5/entrez SP - 416 EP - 20 JF - International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases JO - Int J Infect Dis VL - 12 IS - 4 N2 - BACKGROUND: The major sources of Legionnaires' disease (LD) are the potable water systems of large buildings including hospitals, nursing homes, and hotels. Culturing the hospital water system for Legionella allows a preventive approach for hospital-acquired LD. However, hospital-acquired LD is rarely reported in Taiwan, and environmental cultures of Legionella in hospital water systems in Taiwan have never been systematically performed. OBJECTIVE: The objective of this study was to determine if Legionella is present in hospital water systems in Taiwan. Water quality analysis was also performed to determine if geographic differences in water quality result in different Legionella positivity rates. METHOD: The water systems of 16 hospitals throughout Taiwan were tested for Legionella by culture. Standardized culture procedures were followed. RESULTS: Legionella pneumophila was isolated from 63% (10/16) of the hospital water systems; 19% (3/16) of the hospitals had an L. pneumophila positive rate greater than 30%. L. pneumophila serogroups 1 and 6 (strains that are most responsible for Legionella infections) were isolated from 80% (8/10) and 60% (6/10), respectively, of the hospitals that yielded L. pneumophila in their water distribution systems. CONCLUSION: As was shown in epidemiological studies in the USA and Spain, hospital-acquired legionellosis may be prevalent but underdiagnosed in Taiwan. SN - 1201-9712 UR - https://www.unboundmedicine.com/medline/citation/18243750/The_high_prevalence_of_Legionella_pneumophila_contamination_in_hospital_potable_water_systems_in_Taiwan:_implications_for_hospital_infection_control_in_Asia_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1201-9712(07)00234-2 DB - PRIME DP - Unbound Medicine ER -