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8 ene 1999 año - Type 2 Polio
Descripción:
Type 2 polio was eradicated from developed countries in 1999.
Añadido al timeline:
14 dic 2018
1
0
671
Diseases and The History of Them Among The World
fecha:
8 ene 1999 año
Ahora mismo
~ 25 years ago