This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Clostridium, Subject name: Microbiology
[{'content': 'Which of the following is a dead end infection? \nSelect and explain. \nA. Tetanus, B. Vibrio, C. Staphylococcus, D. Hemophilus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ANSWER: (A) TetanusREF: Park 19th edition page 228, 239, 258"Human is the dead end host for Tetanus, Japanese encephalitis, Rabies and Hydatid cyst"', 'role': 'assistant'}]