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Is the risk of illness through consuming vegetables irrigated with reclaimed wastewater different for different population groups?

Hamilton, Andrew J, Stagnitti, Frank, Premier, Robert and Boland, Anne-Maree 2006, Is the risk of illness through consuming vegetables irrigated with reclaimed wastewater different for different population groups?, Water science & technology, vol. 54, no. 11-12, pp. 379-386, doi: 10.2166/wst.2006.714.

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Title Is the risk of illness through consuming vegetables irrigated with reclaimed wastewater different for different population groups?
Author(s) Hamilton, Andrew J
Stagnitti, Frank
Premier, Robert
Boland, Anne-Maree
Journal name Water science & technology
Volume number 54
Issue number 11-12
Start page 379
End page 386
Publisher IWA Publishing
Place of publication London, United Kingdom
Publication date 2006
ISSN 0273-1223
1996-9732
Keyword(s) enteric virus
ethnic group
horticulture
reclaimed water
risk analysis
wastewater reclamation
Summary The use of reclaimed wastewater for irrigation of horticultural crops is commonplace in many parts of the world and is likely to increase. Concerns about risks to human health arising from such practice, especially with respect to infection with microbial pathogens, are common. Several factors need to be considered when attempting to quantify the risk posed to a population, such as the concentration of pathogens in the source water, water treatment efficiency, the volume of water coming into contact with the crop, and the die-off rate of pathogens in the environment. Another factor, which has received relatively less attention, is the amount of food consumed. Plainly, higher consumption rates place one at greater risk of becoming infected. The amount of vegetables consumed is known to vary among ethic groups. We use Quantitative Microbial Risk Assessment Modelling (QMRA) to see if certain ethnic groups are exposed to higher risks by virtue of their consumption behaviour. The results suggest that despite the disparities in consumption rates by different ethnic groups they generally all faced comparable levels of risks. We conclude by suggesting that QMRA should be used to assess the relative levels of risk faced by groups based on divisions other than ethnicity, such as those with compromised immune systems.
Language eng
DOI 10.2166/wst.2006.714
Field of Research 059999 Environmental Sciences not elsewhere classified
Socio Economic Objective 970105 Expanding Knowledge in the Environmental Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©IWA Publishing 2006
Persistent URL http://hdl.handle.net/10536/DRO/DU:30003633

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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