Schistosoma intercalatum and S. guineensis are found in parts of Central and West Africa (Centers for Disease Control and Prevention, 2013). Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. Adult stages of Schistosoma mansoni, Schistosoma japonicum, Schistosoma mekongi, and Schistosoma intercalatum reside in the mesenteric venous plexus of infected hosts and eggs are shed in feces; Schistosoma haematobium adult worms are found in the venous plexus of the lower urinary tract and eggs are shed in urine.
Links with this icon indicate that you are leaving the CDC website.. Schistosomiasis (Bilharziasis) is caused by some species of blood trematodes (flukes) in the genus Schistosoma.The three main species infecting humans are Schistosoma haematobium, S. japonicum, and S. mansoni.Three other species, more localized geographically, are S. mekongi, S. intercalatum, and S. guineensis (previously considered synonymous with S. intercalatum). The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. There are two strains: the Lower Guinea strain and the Zaire strain. Schistosoma japonicum is endemic to Indonesia and parts of China and Southeast Asia. Causal Agents.
Schistosoma intercalatum is a parasitic worm found in parts of western and central Africa. Schistosoma mekongi, is found in Cambodia and Laos and S. malayensis, in Malaysia.