SCHISTOSOMIASIS (‘Bilharzia’) is an infection caused by Schistosoma species, which are a type of worm (trematodes or flukes). 

Five species cause significant illness in humans. 

  • Schistosoma mansoni (found in sub-Saharan Africa, Middle East, northeastern Brazil, Surinam, Venezuela, Caribbean), 
  • S. haematobium (sub-Saharan Africa, Middle East) 
  • S. japonicum (in China, along central lakes and Yangtze, parts of the Philippines and Indonesia).
  • S. mekongi is found