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Confirmatory Results

Enumeration of coliform bacteria and characterization of Escherichia coli isolated from Staff Club swimming pool in Ile-Ife, Nigeria

View ORCID ProfileTolutope Akeju
doi: https://doi.org/10.1101/018127
Tolutope Akeju
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Abstract

Water recreation, though increasing globally, is strongly associated with infectious diseases. Unexpectedly, artificial water recreation systems e.g. swimming pools account for 90% of these outbreaks. It is therefore essential that pool waters be regularly monitored for deviations from microbial water quality guidelines. To assess the sanitary quality of a club swimming pool in Ile-Ife, Nigeria, I used the multiple-tube fermentation technique to determine the most probable number (MPN) of coliform bacteria in 100 ml of pool water. MPN estimates ranged from 9 to 93 with geometric mean of 38. Escherichia coli was isolated from positive presumptive tubes, indicating recent faecal contamination. The isolate elicited similar biochemical reactions as reference E. coli (ATCC-25922), except that it utilized sucrose and liquefied gelatin, which probably indicates potential pathogenicity. Also, the E. coli isolate was resistant to 13 antibiotics from 9 different classes. Finally, coliform counts and detection of E. coli clearly violates international guidelines. I recommend that pool operators increase water disinfection efficiency and educate the public on the need for improved swimmer hygiene to reduce the risk of recreational water illness transmission.

Acknowledgements:

The author would like to thank the Microbiology department at Obafemi Awolowo University for granting access to the Staff Club swimming pool.

Conflicts of Interest: The author declares no conflict of interest.

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC 4.0 International license.
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Posted April 15, 2015.
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Enumeration of coliform bacteria and characterization of Escherichia coli isolated from Staff Club swimming pool in Ile-Ife, Nigeria
Tolutope Akeju
bioRxiv 018127; doi: https://doi.org/10.1101/018127
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Enumeration of coliform bacteria and characterization of Escherichia coli isolated from Staff Club swimming pool in Ile-Ife, Nigeria
Tolutope Akeju
bioRxiv 018127; doi: https://doi.org/10.1101/018127

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