As the year 1995 draws to its end, China has immunized more than 80 million children against polio, an astonishing feat that should be entered in the Guinness Book of World Records, a WHO official...
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As the year 1995 draws to its end, China has immunized more than 80 million children against polio, an astonishing feat that should be entered in the Guinness Book of World Records, a WHO official...