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': 'World health day is celebrated on which of the following day? \nSelect and explain. \nA. 1st December, B. 31st May, C. 7th April, D. 8th May', 'role': 'user'}, {'content': 'Answer: C \nExplanation: World health day is celebrated in 7thof April every year as a bih date of world health organization. Each year a theme is is selected for World Health Day that highlights a priority area of concern for WHO. - Theme for 2010 was Urbanization and health - Theme for 2011 was antimicrobial resistance and its global spread.', 'role': 'assistant'}]