what did jona salk do that was so important to children
what did jona salk do that was so important to children
what did jona salk do that was so important to children
salk
Jonas Salk's birth name is Jonas Edward Salk.
Dr. Jonas Salk
he invented cat
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 retired in 1985
Jonas "Edward" Salk
Jonas Salk had 3 boys. Peter, Darrell, and Jonathan
Jonas Salk was born on October 28, 1914.