摘要：Effective control of parasitic infestation of humans involves relatively low-cost interventions. Informed decisions about need of investment in control programmes, however, requires useable estimates of the scale of morbidity. To assess the morbidity in and around Mumbai a total of 1924 stool samples were collected from patients of Sir J. J. Hospital, Mumbai and screened microscopically for the presence of parasitic ova and cysts. 5.97% of the samples screened were positive for different parasitic ova and cysts. Helminthic ova were present in 79.09% and protozoal cysts were present in 14.76%. The common helminthic ova detected were Ascaris lumbricoides 51 (44.34%) followed by Trichuris trichura 20 (17.39%), Ankylostoma duodenale 10 (8.69%), Hymenolepis nana 5 (4.34%), Taenia 4 (3.47%) and Enterobius vermicularis 1 (0.86%). In 7 (6.08%) patients Strongyloides stercoralis larvae were seen. All these were from HIV positive patients. The common protozoal cysts seen were Balantidium coli 7 (6.08%) followed by Giardia lamblia 6 (5.21%) and Entamoeba histolytica 4 (3.47%). No seasonal variations were observed.
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