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Open AccessArticle

Microbial Risk Assessment of Tidal−Induced Urban Flooding in Can Tho City (Mekong Delta, Vietnam)

1
Center of Water Management and Climate Change (WACC), Vietnam National University—Ho Chi Minh City (VNU—HCM), Ho Chi Minh City 12345, Vietnam
2
IHE Delft Institute for Water Education, 2611 AX Delft, The Netherlands
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2017, 14(12), 1485; https://doi.org/10.3390/ijerph14121485
Received: 15 October 2017 / Revised: 16 November 2017 / Accepted: 17 November 2017 / Published: 30 November 2017
(This article belongs to the Collection Environmental Risk Assessment)
Public health risks from urban flooding are a global concern. Contaminated floodwater may expose residents living in cities as they are in direct contact with the water. However, the recent literature does not provide much information about this issue, especially for developing countries. In this paper, the health risk due to a flood event occurred in Can Tho City (Mekong Delta, Vietnam) on 7 October 2013 was investigated. The Quantitative Microbial Risk Assessment method was used in this study. The data showed that the pathogen concentrations were highly variable during the flood event and exceeded water standards for surface water. Per 10,000 people in contact with the floodwater, we found Salmonella caused the highest number of infections to adults and children (137 and 374, respectively), while E. coli caused 4 and 12 cases, per single event, respectively. The results show that further investigations on health risk related to flood issues in Can Tho City are required, especially because of climate change and urbanization. In addition, activities to raise awareness- about floods, e.g., “living with floods”, in the Mekong Delta should also consider health risk issues. View Full-Text
Keywords: health risk assessment; quantitative microbial risk assessment; urban flooding; water pollution health risk assessment; quantitative microbial risk assessment; urban flooding; water pollution
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MDPI and ACS Style

Nguyen, H.Q.; Huynh, T.T.N.; Pathirana, A.; Van der Steen, P. Microbial Risk Assessment of Tidal−Induced Urban Flooding in Can Tho City (Mekong Delta, Vietnam). Int. J. Environ. Res. Public Health 2017, 14, 1485.

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