This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
[{'content': 'Which of the following causes a dead end infection? \nSelect and explain. \nA. C. tetani, B. V. cholerae, C. S. aureus, D. Hemophilus', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. A. C. tetani.Since, there is no further human to human transmission, tetanus is a dead end infection.Dead end infections in humans-Tetanus, Legionnaire's disease, Leptospirosis, Lyme's diseaseRabies, JE, West Nile fever, Equine encephalitis, KFDCysticercosis, Hydatid disease, Trichinellosis, Babesiosis", 'role': 'assistant'}]