Investigation on Water Source Pollution by Cryptosporidium parvum and Giardia lamblia in the Small Towns and Villages in Shenzhen,China
- VernacularTitle:深圳市村镇级水厂水源水中隐孢子虫和贾第鞭毛虫调查
- Author:
Shuyuan YU
;
Fei TANG
;
Zhicheng ZHANG
- Publication Type:Journal Article
- Keywords:
Water pollution;
Protozoan infection;
Giardia lamblia;
Cryptosporidium
- From:
Journal of Environment and Health
1989;0(06):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the water source pollution by parasitic protozoa in small towns and villages in Shenzhen,China,in order to present the data to establish the national hygienic standard for controlling parasitic protozoa pollution.Methods The samples of water source were collected from 8 village level water plants in Shenzhen.Giardia lamblia and Cryptosporidium were detected,according to the EPA methods,by filtering,rinsing,magnetic isolation and staining.Results Giardia lamblia was found in water sources of 6 water plants and Cryptosporidium was found in one water plant.Conclusion At present,some water sources of village level water plants where the reservoirs were used as the water source in Shenzhen have been polluted by Giardia lamblia and Cryptosporidium,that indicates the potentiality of the water-born-diseases in that areas.