This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Crab is the intermediate host for? 
Select and explain. 
A. Clonorchis sinensis, B. Paragonimus westermani, C. Fasciola hepatia, D. Schistosoma hematobium
B: Paragonimus westermani
Answer: B: Paragonimus westermani 
Explanation: Ans. is 'b' i.e., Paragonimus westermani Crabs and crayfish are second intermediate hosts for Paragonimus westermani.