In the early 1950's dr Jonas Salk developed an effective vaccine for what childhood disease

A) polio

B) Measles

C) chicken pox

D) typhoid fever

Question

Lincoln Garrett

1 June, 14:28

+3

Answers (2)

Know the Answer?

Misael Rubio · Answer 1

In the early 1950s Dr. Jonas Salk developed a vaccine for A) polio

Juan Guerrero · Answer 2

A) Polio. But you can also choose D if you don't think A is correct.

In the early 1950's dr Jonas Salk developed an effective vaccine for what childhood diseaseA) polioB) MeaslesC) chicken poxD) typhoid fever