Answer:
Oral poliovirus vaccine or Sabin vaccine, named for its inventor American physician and microbiologist Albert Sabin, was developed. OPV contains live attenuated (weakened) virus and is given orally.
1: D
2: C
3: G
4: A
5: E
6: I
7: F
8: H
9: B
Cheating on questions is irresponsible behavior
Explanation:
