11. In 2009, the genomes of " Schistosoma mansoni " and " Schistosoma japonicum " were decoded 12. In 2009, the genomes of " Schistosoma mansoni " and " Schistosoma japonicum " were decoded 13. Freshwater snail " Neotricula aperta " serves as an intermediate host for " Schistosoma mekongi ". 14. A positive reaction ( greater than 9 units / �l serum ) indicates infection with " Schistosoma " species. 15. The parasitic flatworms of " Schistosoma " cause a group of chronic infections called schistosomiasis known also as bilharziasis. 16. Two types are present in the parasite " Schistosoma ", one in males, the other in females. 17. This genus was originally grouped with the schistosoma on the basis of the existence of two sexes and other morphological features. 18. "Schistosoma nasale " inhabits blood vessels of the nasal mucosa and causes " snoring disease " in cattle. 19. This species is an intermediate host for " Schistosoma curassoni " and for " Schistosoma haematobium ". 20. This species is an intermediate host for " Schistosoma curassoni " and for " Schistosoma haematobium ".
