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Presence of Cryptosporidium Oocysts in Sewage Effluent and Water Surface in Mosul Area | ||
| Medical Journal of Babylon | ||
| Article 1, Volume 2, Issue 2, 2005, Pages 236-240 | ||
| Author | ||
| Wisam M. Al-Saeed | ||
| Abstract | ||
| A new method for detection of cryptosporidium oocysts in sewage was modified to investigate oocysts prevalence. Surface water and sewage effluent were filtered, elutet from the filter and concentrated using centrifugation. The resultant sedemented pellet was then homogenized and placed on sucrose gradient to separate oocysts from the supernatant. Then examined by modified Ziehl-Neelson method. The filter of sewage effluents had significantly lower numbers of oocysts, sand filtration may reduce the concentration of this parasite in waste water . A large no. of oocysts were encountered in surface water. Since cryptosporidium oocysts are frequently present in environmental water, they could be responsible for waterborne outbreaks of disease. | ||
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