This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable Diseases, Subject name: Social & Preventive Medicine
[{'content': 'Incubation period of measles - \nSelect and explain. \nA. 14 days, B. 1 Month, C. 3 Month, D. 5 Month', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., 14 days Incubation periods of important respiratory infectionsDiseaseCausative organismincubation periodSmall poxVariola virus7-14 daysChicken poxHuman (alpha) herpes virus14-16 daysMeasles (Rubeolla)RNA paramyxovirus10-14 daysRubella (German Measles)RNA Togavirus14-21 daysMumpsRNA Myxovirus14-18 daysInfluenzaOrthomyxovirus18-72 hoursDiphtheriaCorynebacterium diphtheriae2-6 daysPertussis (Whooping cough)Bordetella pertussis7-14 daysMeningococcal meningitisNeisseria meningitis3-4 daysSARSCorona virus3-5 daysTuberculosisMycobacterium tuberculosisWeeks-years", 'role': 'assistant'}]