By Williams Anuku,Abuja
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Africa has been declared free from wild polio by the independent body, the Africa Regional Certification Commission.
Polio usually affects children under five, sometimes leading to irreversible paralysis. Death can occur when breathing muscles are affected.
Twenty-five years ago thousands of children in Africa were paralysed by the virus.
The disease is now only found in Afghanistan and Pakistan.
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There is no cure but the polio vaccine protects children for life.
Nigeria is the last African country to be declared free from wild polio, having accounted for more than half of all global cases less than a decade ago.
