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: Social & Preventive Medicine
[{'content': 'Diseases under International surveillance \nSelect and explain. \nA. Poliomyelitis, B. Rabies, C. Malaria, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Diseases under International surveillance\xa0\n\nRabies\nMalaria\nRelapsing fever\nHuman Influenza\nSalmonellosis\nTyphus fever (Louse borne)\nPoliomyelitis', 'role': 'assistant'}]