Microbiology General 52049728 All the following parasites cause malignancy except A Schistosoma haematobium B Clonorchis sinensis C Opisthrochis viverrini D Onchocerca volvulus High-Yield Explanation S. haematobium - SCC of urinary bladder C. Sinensis - Cholangiocarcinoma of liver, bileduct. O. Viverrini - Cholangiocarcinoma of bileduct.