After years of research, his discovery was confirmed in early 1955 and announced to the press and public in April 1955.
Jonas Salk did not discover polio. He invented a vaccine for polio in 1955.
yesterday
In 1952
1952
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.
The name of man who invented the polio vaccine is 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.
Dr. Jonas Salk
Jonas Salk's biggest invention was the Polio vaccine.
Jonas Salk developed the first vaccine in 1952.
Jonas salk was a scientist that invented the polio vaccine.
The polio vaccine is called the Salk vaccine after it was invented by Dr Jonas Salk.
Jonas Salk
Jonas salk
Jonas Salk
The polio vaccination was discovered by Jonas Salk.