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The head of the {@World Health Organization (WHO)@} has said investigations into the origins of the covid-19 pandemic are being hampered by the lack of raw data on the first days of spread and urged China to be more transparent . {{URL}} {{URL}}
 World Health Organization (WHO)
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: group, creative work, person, event, product, location, corporation 
Text: {0} 
Answer:
 World Health Organization (WHO)