This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of Health and Disease, Subject name: Social & Preventive Medicine
[{'content': 'International disease surveillance is for - \nSelect and explain. \nA. Hepatitis, B. Polio, C. TB, D. Leprosy', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Polio Diseases under international surveillance (WHO)o Rabieso Poliomyelitiso Salmonellosiso Louse bom typhus fevero Malariao Relapsing fevero Human influenza", 'role': 'assistant'}]