This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contraindications, AEFIs, Subject name: Social & Preventive Medicine
[{'content': 'Most common repoed disease in post disaster period: \nSelect and explain. \nA. Acute gastroenteritis, B. Pneumonia, C. Leptospirosis, D. Malnutrition', 'role': 'user'}, {'content': 'Answer: A \nExplanation: - Most Common repoed disease in post disaster phase is Acute Gastroenteritis, Typhoid & Cholera. - Most impoant step during Post-disaster phase is, Chlorination of water > Vaccination - All vaccines are CI in post-disaster phase; except Measles Extra edge: - Chairman of National Disaster Management Authority (NDMA) of India is Prime Minister of India', 'role': 'assistant'}]