What is the crossword answer for the clue: Polio vaccine developer

SALK - a 4 letter word may be the answer you are looking for!

SABIN - a 5 letter word may be the answer you are looking for!

JONASSALK - a 9 letter word may be the answer you are looking for!

RHO - a 3 letter word may be the answer you are looking for!

Polio vaccine developer

3 Character Answers:

RHO

4 Character Answers:

SALK

5 Character Answers:

SABIN

9 Character Answers:

JONASSALK