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': 'A 2 year old un immunised child from a hilly tribal area developed Keratomalacia after a viral infection. Which of the following could have lead to the development of Keratomalacia? \nSelect and explain. \nA. Rubella, B. Rubeola, C. Mumps, D. Varicella', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Measles/rubeola is associated with increased catabolism and may precipitate acute vitamin A deficiency which may lead to Keratomalacia and blindness. The doses of Vit A to be given in case of measles is given below: < 6 months - 50000 IV 6 - 11 months - 100000 IV >= 12 months - 200000 IV Ref: Park, Edition 21, Page - 138', 'role': 'assistant'}]