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': 'Disease excluded and re-included from International Health Regulations till date is \nSelect and explain. \nA. Smallpox, B. Guinea worm, C. Typhoid, D. HIV/AIDS', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The ‘International Health Regulations’ (IHR, 2005) are an international law which helps countries working together to\xa0save lives and livelihoods caused by the international spread of diseases and other health risks\nThe IHR (1969) were primarily intended to monitor and control six serious infectious diseases: cholera, plague, yellow\xa0fever, smallpox, relapsing fever and typhus\nUnder the IHR (1969), ‘only cholera, plague and yellow fever remain notifiable’, meaning that States are required to notify\xa0WHO if and when these diseases occur on their territory', 'role': 'assistant'}]