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

Magdalena Dudley

9 July, 01:14

+2

Answers (2)

Know the Answer?

Nitro · Answer 1

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

Luke Duncan · 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