Monday
March 27, 2017

Post a New Question

Posted by on .

who developed a vaccine to prevent polio?

  • social studies HELP - ,

    http://en.wikipedia.org/wiki/Jonas_Salk

  • social studies HELP - ,

    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.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question