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 includes all except \nSelect and explain. \nA. Yellow fever, B. Relapsing fever, C. Paralytic polio, D. Louse borne typhus fever', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Louse borne typhus fever, Relapsing fever, Poliomyelitis, Malaria, Human Influenza, Rabies, Salmonellosis are all under International Surveillance.', 'role': 'assistant'}]