He was 2 years old.
Jonas Salk developed the first vaccine in 1952.
Jonas Salk
Jonas salk
The polio vaccination was discovered by Jonas Salk.
The first to discover a vaccination for polio was Jonas Salk in 1952. The oral polio vaccine was developed by Albert Sabin in 1957.
In the 1950s, Salk developed the first polio vaccine, an injection. In 1962, Sabin developed the oral polio vaccine, taken by mouth, and still used, at present.
Jonas salk was a scientist that invented the polio vaccine.
The first polio vaccine was created in 1952 by Jonas Salk at the University of Pittsburgh. It required years of practice and tweaking to get the vaccine to the point of effectiveness it has today.
The first polio vaccine was discovered and tested in 1952 by Jonas Salk, but was announced to the world in 1955. Another polio vaccine-taken orally-was discovered in 1957 by Albert Sabin.
To protect against polio.
Jonas Salk developed the first polio vaccine in 1952.
Jonas Salk came up with the first injectable polio vaccine, followed by Albert Sabin who came up with the first oral polio vaccine.