| prevalence and epidemiologic characteristics of opportunistic and non-opportunistic intestinal parasitic infections in hiv positive patients in manipur. | a survey of the intestinal parasites among the hiv positive asymptomatic injecting drug users (idus) in manipur state in north-east india revealed the presence of three protozoan and two nematode species. of these, the two opportunistic parasitic protozoans i.e., cryptosporidium sp. (94.4 percent) and isospora sp. (10.7 percent) were predominant over entamoeba histolytica (5.6 percent), while non-opportunistic parasitic nematodes, i.e. ascaris lumbricoides (4.6 percent) and ancylostoma sp. (1 pe ... | 1998 | 9842160 |