Normal saline and distilled water for isolation parasites from fresh vegetables in Nassiriyah and Suq - AL- Shuyukh cities in Thi-qar province

Normal saline is often preferred to isolate parasites from vegetables and other sources but distilled water is rarely used for this purpose. So in order to know the difference between ability of normal saline and distilled water to isolate the parasites, 64 samples of six types of fresh vegetables from Nassiriyah city and also the same number and types (64 samples of six types of fresh vegetables) from Suq - AL- Shuyukh city were examined by using sedimentation method with normal saline one time and distilled water in other times. Where these vegetables types are Garden Cress, Leek, Radish, Lettuce, Celery and Basil). In addition to additional samples of the most contamination vegetable were subjected to several ways of cleaning to find out what is the best way to get rid of these parasites. Four hundred forty one of patients of hospitals in Nassiriyah and Suq - AL- Shuyukh cities who infected with parasites were re-examined to know the most existence parasites. The results showed a convergence between the proportions of some parasites isolated by normal saline and parasites isolated by distilled water where percentage of Giardia lamblia was 70.3% using normal saline and 71.9% using distilled water.