globalchange  > 气候减缓与适应
DOI: 10.2166/wh.2018.323
WOS记录号: WOS:000458521500007
论文题名:
Weather, environmental conditions, and waterborne Giardia and Cryptosporidium in lqaluit, Nunavut
作者: Masina, Stephanie1; Shirley, Jamal2; Allen, Jean2,3; Sargeant, Jan M.1,4; Guy, Rebecca A.5; Wallis, Peter M.6; Weese, J. Scott7; Cunsolo, Ashlee8; Bunce, Anna1; Harper, Sherilee L.1,9
通讯作者: Masina, Stephanie
刊名: JOURNAL OF WATER AND HEALTH
ISSN: 1477-8920
出版年: 2019
卷: 17, 期:1, 页码:84-97
语种: 英语
英文关键词: Arctic ; Canada ; Inuit health ; parasites ; waterborne disease ; water quality
WOS关键词: DRINKING-WATER ; DISEASE OUTBREAKS ; DESCRIPTIVE ANALYSIS ; REMOTE COMMUNITIES ; ESCHERICHIA-COLI ; CLIMATE-CHANGE ; CANADA ; INUIT ; HEALTH ; CYSTS
WOS学科分类: Environmental Sciences ; Public, Environmental & Occupational Health ; Microbiology ; Water Resources
WOS研究方向: Environmental Sciences & Ecology ; Public, Environmental & Occupational Health ; Microbiology ; Water Resources
英文摘要:

Indigenous communities in the Arctic often face unique drinking water quality challenges related to inadequate infrastructure and environmental contamination; however, limited research exists on waterborne parasites in these communities. This study examined Giardia and Cryptosporidium in untreated surface water used for drinking in lqaluit, Canada. Water samples (n = 55) were collected weekly from June to September 2016 and tested for the presence of Giardia and Cryptosporidium using microscopy and polymerase chain reaction (PCR). Exact logistic regressions were used to examine associations between parasite presence and environmental exposure variables. Using microscopy, 20.0% of samples tested positive for Giardia (n = 11) and 1.8% of samples tested positive for Cryptosporidium (n = 1). Low water temperatures (1.1 to 6.7 degrees C) and low air temperatures (-0.1 to 4.5 degrees C) were significantly associated with an increased odds of parasite presence (p = 0.047, p = 0.041, respectively). These results suggest that surface water contamination with Giardia and Cryptosporidium may be lower in lqaluit than in other Canadian regions; however, further research should examine the molecular characterization of waterborne parasites to evaluate the potential human health implications in Northern Canada.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/129207
Appears in Collections:气候减缓与适应

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作者单位: 1.Univ Guelph, Dept Populat Med, 50 Stone Rd East, Guelph, ON N1G 2W1, Canada
2.Nunavut Res Inst, POB 1720, Iqaluit, NU X0A OH0, Canada
3.Indigenous & Northern Affairs Canada, POB 2200, Iqaluit, NU X0A OH0, Canada
4.Univ Guelph, Ctr Publ Hlth & zoonoses, 50 Stone Rd East, Guelph, ON N1G 2W1, Canada
5.Publ Hlth Agcy Canada, Natl Microbiol Lab, 110 Stone Rd West, Guelph, ON N1G 3W4, Canada
6.Hyperion Res Ltd, 1008 Allowance Ave SE, Medicine Hat, AB T1A 3G8, Canada
7.Univ Guelph, Dept Pathobiol, Guelph, ON N1G 2W1, Canada
8.Mem Univ, Labrador Inst, 219 Hamilton River Rd, Labrador City, NF A0P 1E0, Canada
9.Univ Alberta, Sch Publ Hlth, 3-300 Edmonton Clin Hlth Acad,11405-87 Ave, Edmonton, AB T6G 1C9, Canada

Recommended Citation:
Masina, Stephanie,Shirley, Jamal,Allen, Jean,et al. Weather, environmental conditions, and waterborne Giardia and Cryptosporidium in lqaluit, Nunavut[J]. JOURNAL OF WATER AND HEALTH,2019-01-01,17(1):84-97
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