This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infectious disease, Subject name: Pediatrics
[{'content': 'Vaccines contraindicated in HIV positive child - \nSelect and explain. \nA. OPV, B. MMR, C. Rabies, D. Influenza', 'role': 'user'}, {'content': 'Answer: A \nExplanation: All live attenuated vaccines are contraindicated in HIV, as it can precipitate the infection due to imnunosuporessio. BCG,OPV ,measles are contraindicated in HIV Reference: Essential pediatrics,op ghai,9 th edition,pg no: 188 189', 'role': 'assistant'}]