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': 'Pandemic are caused by- \nSelect and explain. \nA. Hepatitis B, B. Influenza-A, C. Influenza-B, D. Influenza-C', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b i.e., Influenza-A Pandemic --> Influenza, cholera Eltor, Acute hemorrhagic, Conjuctivitis. Epidemic --> Measles, Chickenpox, Cholera Endemic --> Hepatitis A, typhoid fever Sporadic ---> Polio, Tetanus, Herpes zoster, meningococcal meningitis.", 'role': 'assistant'}]