Journal article
Human zoonotic enteropathogens in a constructed free-surface flow wetland
Parasitology Research, Vol.105(2), pp.423-428
2009
Abstract
Effluents from a small-scale free-surface flow constructed wetland, used for polishing of secondary treated wastewater, contained significantly higher concentrations of potentially viable Giardia duodenalis cysts and Enterocytozoon bieneusi spores than did wetland influents consisting of secondary treated wastewater. Zoonotic Assemblage A of G. duodenalis cysts was identified in wetland inflows, while Assemblage A and two nonhuman infective Assemblages (i.e., C, and E) were present in wetland effluents. E. bieneusi spores represented genotype K based on DNA sequencing analysis of internal transcribed spacer. The study demonstrated that: (1) free-surface flow small-scale constructed wetlands may not provide sufficient remediation for human zoonotic protozoa and fungi present in secondary treated wastewater; (2) dogs and livestock can substantially contribute human-pathogenic protozoan and fungal microorganisms to engineered vegetated wetland systems; and (3) large volumes of wetland effluents can contribute to contamination of surface waters used for recreation and drinking water abstraction and therefore represent a serious public health threat.
Details
- Title
- Human zoonotic enteropathogens in a constructed free-surface flow wetland
- Authors/Creators
- T.K. Graczyk (Author/Creator) - Bloomberg (United States)F.E. Lucy (Author/Creator) - Massachusetts Institute of TechnologyY. Mashinsky (Author/Creator) - Bloomberg (United States)R.C.A. Thompson (Author/Creator) - Murdoch UniversityO. Koru (Author/Creator) - Division of Parasitic Diseases, National Center for Zoonotic, Vector-borne, and Enteric Diseases, Centers for Disease Control and Prevention, Public Health Service, U.S. Department of Health and Public Services, Atlanta, USAA.J. daSilva (Author/Creator) - Division of Parasitic Diseases, National Center for Zoonotic, Vector-borne, and Enteric Diseases, Centers for Disease Control and Prevention, Public Health Service, U.S. Department of Health and Public Services, Atlanta, USA
- Publication Details
- Parasitology Research, Vol.105(2), pp.423-428
- Publisher
- Springer Verlag
- Identifiers
- 991005546016007891
- Copyright
- © 2009 Springer-Verlag.
- Murdoch Affiliation
- School of Veterinary and Biomedical Sciences
- Language
- English
- Resource Type
- Journal article
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- 1.246 Diarrheal Diseases
- 1.246.985 Cryptosporidium
- Web Of Science research areas
- Parasitology
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- Microbiology