11. In Venezuela he focused on infectious diseases such as schistosomiasis and syphilis. 12. Another, even more common disease, is snail fever ( schistosomiasis ). 13. The region is faced with problems of endemic diseases like schistosomiasis and malaria. 14. Climate change may have potential impact on the transmission of schistosomiasis in China. 15. While in Egypt, Fairley investigated schistosomiasis ( then known as bilharzia ). 16. In India, Fairley continued his research into schistosomiasis . 17. Until now schistosomiasis has been found only in Indonesia, South Africa and China. 18. Combination treatment may prevent morbidity due to schistosomiasis . 19. One of the parasitic diseases was schistosomiasis , a disabling and potentially fatal disease. 20. Female lead Edwina Booth became infected, probably with malaria or schistosomiasis , during filming.