| epidemiological studies on fasciola hepatica in gafsa oases (south west of tunisia). | epidemiological investigations on fasciola hepatica fasciolasis were carried out from july 2004 to june 2005 in the gafsa oases (tunisia) after the detection of a human case. three habitats were studied: one in el gsar and two in ain soltan. the prevalence of human infection was 6.6%. the presence of the parasite was detected through serology in 14.3% of cattle, 35% of sheep and 68.4% of goats. the plants apium nodiflorum, oxalis cernua and sonchus maritimus were suspected to be at the origin of ... | 2007 | 17933307 |