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Bas_tet [7]
3 years ago
11

What Doctor came up with an oral polio vaccine in 1962.

History
2 answers:
AfilCa [17]3 years ago
6 0
Albert Sabin came up with an oral polio vaccine in 1962

hram777 [196]3 years ago
6 0
Jonas Salk created the Polio vaccine but Albert Sabin made the oral vaccine version.
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3 years ago
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Witch new technology of the 1800s had the greatest impact on farmers in the Great Planes?
Sidana [21]

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