D. developing the first vaccine for polio.
Jonas Salk is best known for his development of the first effective polio vaccine in the early 1950s.
Responses
A helping to create the atomic bomb.helping to create the atomic bomb.
B discovering the disease known as AIDS.discovering the disease known as AIDS.
C beginning the International Red Cross.beginning the International Red Cross.
D developing the first vaccine for polio.
1 answer
D. developing the first vaccine for polio.
Jonas Salk is best known for his development of the first effective polio vaccine in the early 1950s.