According WHO in 2011, of the 6.9 million children who died before their 5th birthday, how many of these deaths occurred in low and middle income countries ? - The thảo luận Trivia câu hỏi kiểm tra

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According WHO in 2011, of the 6.9 million children who died before their 5th birthday, how many of these deaths occurred in low and middle income countries ?

Choose the right answer:

55%

84%

91%

99%

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