You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Fish acts as intermediate host in -a) D. latumb) Clonorchis sinensisc) H. Diminutad) H. Nana and explain in detail?
Fish acts as intermediate host: Diphyllobothrium latum, Clonorchis sinensis, Paragonimus westermani (Crab fish), Metagonimus spp., Heterophyes heterophyes
In case of H. nana Human, rat and mouse acts as both definitive and intermediate host, no intermediate host.
In case of H. diminuta: Flea acts as intermediate host.