Social Sciences, asked by sunilkumar5994, 4 months ago

vaccination was firstly started by
A) Jonas E.Salk
B)Paul muller
C) Robert Frost
D) Edward jenner

Answers

Answered by aditi7011

0

Explanation:

D- Edward jenner is the right answer

Answered by ghodekailash7

1

Answer:

D) Edward Jenner

I hope help it

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