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jun 4, 1988 BC - Polio in 125 Countries
Description:
Polio still exist in 125 countries and paralyzed an estimated 350,000 children; global polio eradication initiative created.
Added to timeline:
14 Dec 2018
1
0
394
new disease
Date:
jun 4, 1988 BC
Now
~ 4015 years ago