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
[{'content': 'All are true about poliovirus, except- \nSelect and explain. \nA. Type I is responsible for most epidemics, B. Very difficult to eliminate type I, C. Type I responsible for vaccine paralytic poliomyelitis, D. Type I most commonly associated with paralysis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Here are some important points about poliovirus strains* (Type I, II, III)\nMost common cause of epidemics* → Type I\nMost difficult to eradicate*→Type I (because vaccine response to it is not good)\nMost common cause of vaccine Induced paralytic poliomyelitis*→ Type III (due to mutation)\nMost commonly associated with paralysis* →Type I.', 'role': 'assistant'}]