Each parasite eggs, larvae or cysts present in the samples were counted and densities of each species were expressed as "many" (>three cysts per high-power field; >20 eggs or larvae per mount); "moderate"(two cysts per high-power field; 10 to 19 eggs or larvae per mount); "few"
(one cyst per high-power field; three to nine eggs or larvae per mount); and "rare" (two to five
cysts and