This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunization, Subject name: Pediatrics
[{'content': 'Which of the following vaccines can result in Thrombocytopenia? \nSelect and explain. \nA. MMR vaccine, B. Typhoid vaccine, C. Influenza vaccine, D. HIB vaccine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: a. MMR vaccine(Ref: IAP 223, Ghai 8/e p 145)With Measles vaccine, Thrombocytopenic purpura may occur at a frequency of 1/30,000 vaccinees.One of the components of MMR is the Measles vaccine; So MMR vaccine can cause thrombocytopenia.', 'role': 'assistant'}]