This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable Diseases, Subject name: Social & Preventive Medicine
[{'content': 'Measles elimination criteria- \nSelect and explain. \nA. <1/1000, B. <1/10000, C. < 1/100000, D. <1/100', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., < 1/100000o WHO defines elimination of measles as the absence of endemic measles for a period of > 12 months in the presence of adequate surveillance.o One indicator of measles elimination is a sustained measles incidence < 1/100, 000 population,o In 2005, the World Health Assembly set a goal of achieving a 90% reduction in global measles mortality by 2010 as compared with level in 2000.", 'role': 'assistant'}]