Enteric viruses in New Zealand drinking-water sources

被引:14
|
作者
Williamson, W. M. [1 ]
Ball, A. [1 ]
Wolf, S. [2 ]
Hewitt, J. [2 ]
Lin, S. [1 ]
Scholes, P. [1 ]
Ambrose, V. [2 ]
Robson, B. [1 ]
Greening, G. E. [2 ]
机构
[1] Inst Environm Sci & Res Ltd ESR, Christchurch 8041, New Zealand
[2] Inst Environm Sci & Res Ltd ESR, Porirua 5240, New Zealand
关键词
drinking-water; enteric viruses; microbial risk assessment and management; water pollution; HEPATITIS-E VIRUS; TIME RT-PCR; POLYMERASE-CHAIN-REACTION; REVERSE TRANSCRIPTION; FRESH-WATER; ROTAVIRUS; ASSAY; DISEASE; ENTEROVIRUSES; NOROVIRUS;
D O I
10.2166/wst.2011.117
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
This study determined whether human pathogenic viruses are present in two New Zealand surface waters that are used as drinking-water sources. Enteric viruses were concentrated using hollow-fibre ultrafiltration and detected using PCR for adenovirus (AdV), and reverse transcription PCR for norovirus (NoV) genogroups I-III, enterovirus, rotavirus (RoV) and hepatitis E virus (HEV). Target viruses were detected in 106/109 (97%) samples, with 67/109 (61%) samples positive for three or more viral types at any one time. AdV, NoV and RoV were detected the most frequently, and HEV the least frequently. Human NoV was not usually associated with animal NoV. Our results suggest that New Zealand would be well served by assessing the ability of drinking-water treatment plants to remove viruses from the source waters, and that this assessment could be based on the viral concentration of AdV-NoV-RoV. The long-term aim of our work is to use this information to estimate the risk of waterborne viral infection.
引用
收藏
页码:1744 / 1751
页数:8
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