This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health care of community & international health, Subject name: Social & Preventive Medicine
[{'content': 'WER stands for \nSelect and explain. \nA. World epidemiological record, B. Weekly epidemiological record, C. World epidemic record, D. Weekly environmental record', 'role': 'user'}, {'content': 'Answer: B \nExplanation: An impoant activity of WHO is epidemiological surveillance of communicable disease. WHO collects and disseminates epidemiological information on diseases subject to International health regulations and occasionally other communicable diseases of international impoance through an Automatic Telex Reply service (ATRS) and the Weekly epidemiological record (WER)Park 23e pg: 920', 'role': 'assistant'}]