Discovered in 1952 by Dr. Salk.
polio
Jonas Salk
Jonas salk
To protect against polio.
Jonas Salk developed the first vaccine in 1952.
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.
The polio vaccination was discovered by Jonas Salk.
Jonas salk was a scientist that invented the polio vaccine.
He was 2 years old.
The polio vaccine was first tested in 1952 and marketed in 1955.The telephone was invented in 1876.
She did not.Marie Curie and Pierre Curie discovered radium and polonium (among other radioactive substances). Jonas Sault discovered the polio vaccine.
a vaccine that stops you getting polio!