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First isolation of Legionella pneumophila in Sri Lanka

Authors:

WMPB Wahala ,

Department of Bacteriology, Medical Research Institute, Colombo 8, LK
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RSB Wickramasinghe

Department of Bacteriology, Medical Research Institute, Colombo 8, LK
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Abstract

Objectives To determine the presence of legionellae and species composition of the genus Legionella in Sri Lankan hotel cooling towers, and to determine the previous exposure of hotel workers to Legionella pneumophila.

Design Collection of water samples from 16 cooling towers of air conditioning plants from 7 representative hotels, and blood samples from hotel workers. Setting Department of Bacteriology, Medical Research Institute, Colombo 8.

Results Water samples from 4 (57.4%) hotels selected were positive for legionellae. Five (38.4%) selected cooling towers yielded legionellae with viable counts ranging from 1 to 5 colony forming units (CFU)/ml. 93.7% of the isolates were Legionella pneumophila. Only one hotel worker had significant antibody levels denoting past infection to Legionella pneumophila.

Conclusions Legionella does occur in the Sri Lankan hotel environment and Legionella pneumophila appears to be the most common species.

DOI: http://dx.doi.org/10.4038/cmj.v45i4.6724

Ceylon Medical Journal 2000; 45(4): 171-172

DOI: https://doi.org/10.4038/cmj.v45i4.6724
How to Cite: Wahala, W. and Wickramasinghe, R., 2014. First isolation of Legionella pneumophila in Sri Lanka. Ceylon Medical Journal, 45(4), pp.171–172. DOI: http://doi.org/10.4038/cmj.v45i4.6724
Published on 24 Mar 2014.
Peer Reviewed

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