Schistosoma japonicum is an important parasite and one of the major infectious agents of schistosomiasis. It is the cause of schistosomiasis japonica, a disease that still remains a significant health problem especially in lake and marshland regions and it only found in china. Praziquantel is generally administered in an oral form. To prevent the disease you should properly dispose of human waste.
Fasciola hepatica is also known as the common liver fluke or sheep liver fluke. The disease caused by the fluke is called fascioliasis is distributed worldwide, and causes great economic losses in sheep and cattle. The drug of choice in the treatment of fascioliasis is triclabendazole.
http://en.wikipedia.org/wiki/Fasciola_hepatica
Taenia solium
http://en.wikipedia.org/wiki/Taenia_solium
http://en.wikipedia.org/wiki/Fasciola_hepatica
Taenia solium
Taenia solium also called the pork tapeworm. It infects pigs and humans in Asia, Africa, South America, parts of Southern Europe and North America. T. solium is found worldwide, but is more common in cosmopolitan areas. Praziquantel (PZQ) is the drug of choice for the treatment of T. solium infection.