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irina [24]
3 years ago
5

In the early 1950s, Dr. Jonas Salk developed an effective vaccine for what childhood disease?

History
2 answers:
kirza4 [7]3 years ago
8 0
I’m pretty sure it’s the Polio Vaccine
HACTEHA [7]3 years ago
8 0

Answer:

Poliomyelitis (It is a virus that may cause paralysis).

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