Question

What contributed did Jonas Salk make to science in the 1950s

A. He invented DDT, the miracle pesticide

B. He designed the first us satellite.

C. He developed smaller computers.

D. He created a vaccine against polio


Thanks so much

Answer 1

Jonas Salk was an important American medical researcher and virologist, who is mostly known for developing the first successful polio vaccine in 1955.

-Gvcci

Answer 2

Jonas Salk made a big contribution to science in the 1950s: (D) he created a vaccine against polio.

Jonas Salk was an American medical researcher. He developed a successful vaccine against polio, which was considered one of the most dangerous infectious diseases during the first half of the 20th century. Polio is caused by the poliovirus and some of the symptoms of this disease are abdominal pain and muscle weakness. After more than 3,000 people had died from the disease in 1952, Jonas Salk announced on a national radio show that he had created a vaccine against polio in 1953.