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aug 25, 2020 - Polio

Description:

Africa is declared free of wild polio, the second virus to be eradicated from the continent since smallpox 40 years previously

Added to timeline:

2020 and future

ByColin O'Donnell

28 Dec 2020

1

0

1307

Date:

aug 25, 2020

Now

~ 4 years and 9 months ago

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