In Asia, the disease is caused by the orientalschistosomes including Schistosoma japonicum which is prevalentin China, the Philippines and Indonesia (Olveda et al., 2014; Satrijaet al., 2015; Zhou et al., 2010), and Schistosoma mekongi which hasbeen reported in the Mekong River sub-region, especially in Cambo-dia and Laos (Muth et al., 2010).