In this file photo taken on April 22, 2017 A Health worker administers a vaccine to a child during a vaccination campaign against polio.(AFP photo)

Africa now free of wild poliovirus, but polio threat remains

By Associated Press | Posted by Niyati Singh | Johannesburg
UPDATED ON AUG 25, 2020 09:06 PM IST
Health authorities on Tuesday declared the African continent free of the wild poliovirus after decades of effort, though cases of vaccine-derived polio are still sparking outbreaks of the paralyzing disease in more than a dozen countries.
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