Dr. Jonas Salk lived from 1914 to 1995. He was born in New York, but is most known for his work as a professor at the University of____that was where he began studying____the crippling and contagious disease that affected millions of people around the world. This was the same years before he became President. After much research, Salk realized that the disease was actually____diseases, a very important breakthrough. After much more research, Salk's team developed a____for the disease, which was soon used around the world. In just 10 years, the number of children contracting the disease dropped from approximately 57,000, to less than_____In the years following the vaccine, Salk was hailed as a hero for the work he pioneered.
a. Franklin Roosevelt
b. polio
c. Pittsburgh
d. John Kennedy
e. New York
f. cancer
g. 1,000
h. vaccine
i. three separate