This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Poliomyelitis, Subject name: Social & Preventive Medicine
[{'content': 'Most common type of polio is - \nSelect and explain. \nA. Non-paralytic polio, B. Paralytic polio, C. Abortive illness, D. Inapparent infection', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Inapparent infection Clinical manifestationso Incubation period -7-14 dayso After infection, one of the following responses may occur -Enapparent (subclinicat) infectiono Occurs in 95% of the infected individualso They play a dominant role in spread of infection.Minor (abortive) illnesso In 4-8% of infectionso Fever, sore throat, headach and malaiseAseptic meningitis (non-paraIytic polio)o In 1 % of infectionso Signs & symptoms of meningitisParalytic polioo In less than 1% of caseso Flaccid paralysis with absent tendon reflexes.o Most common cause of death - Respiratory paralysis.", 'role': 'assistant'}]