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: Pediatrics
[{'content': 'Incubation period of peussis is - \nSelect and explain. \nA. 7 days, B. 7-14 days, C. 14-28 days, D. 28 days', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., 7-14 days Peussis After an incubation period of about 1-2 weeks, the disease takes a protracted course comprising three stages, - the catarrhal, paroxysmal and Convalescent - each lasting approximately two weeks. Remember o Catarrhal stage is the stage of maximum infectivity. o Maximum complications occur in Paroxysmal stage.", 'role': 'assistant'}]