yes he did it was in 1947 in Philadelphia
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.
No, Jonas Salk was not the only one that made a polio vaccine. Dr. Albert Sabin made one a few years after in 1963.
Jonas salk
The name of man who invented the polio vaccine is Jonas Salk.
Dr. Jonas Salk
The inventor of one of the forms of the Polio vaccine, Dr. Salk was born in New York City and died 1995 due to heart failure.
Jonas Salk's biggest invention was the Polio vaccine.
Jonas salk was a scientist that invented the polio vaccine.
Jonas Salk developed the first vaccine in 1952.
The polio vaccine is called the Salk vaccine after it was invented by Dr Jonas Salk.
Jonas Salk developed a polio vaccine in the nineteen sixties.
The polio vaccination was discovered by Jonas Salk.