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MissTica
3 years ago
7

What contribution did Jonas Salk make to science in the 1950s?

Biology
2 answers:
victus00 [196]3 years ago
8 0
He basically made the first safe and effective vaccine for the disease Polio
Sergio039 [100]3 years ago
4 0
Jonas Salk made the Polio vaccine.
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