Answer:
Salk's and Sabin discovery of vaccine completely eradicate the polio virus.
Step-by-step explanation:
Sabin and Salk discovered the vaccine against the polio virus. Polio affected the muscle weakness and causes paralysis in the children. With the advancement of discovery in medicine, the polio virus has completely eradicated from the society.
Salk discovered the live but attenuated vaccine for the eradication of polio. The live virus is attenuated or weakened by chemical or heat treatment. Sabin discovered the oral polio vaccine for the eradication of polio virus.