Which continent was declared as wild polio-free by WHO on August 25, 2020? A. South America B. Africa C. Europe D. Asia Answer Workspace Report Discuss Answer with explanation Answer: Option B Explanation Africa has been declared free of polio by the World Health Organisation in a significant public health milestone. WHO’s Africa Regional Certification Commission-certified 47 nations of Africa to be free of wild polio on August 25, 2020. Workspace
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