Question

Which choice best describes the reasons behind Jonas Salk's decision to search for a cure for poliomyelitis?

a. The disease affected children in the United States all of Salk's life.

b. The disease became an epidemic shortly after Salk became a doctor.

c. Jonas Salk's own child contracted poliomyelitis as an infant.

d. Jonas Salk suffered from poliomyelitis as a young child.