Below you can find the Long after finding a polio vaccine jonas salk joined the quest to find a vaccine for this Jeopardy Words Answer. The answer to Long after finding a polio vaccine jonas salk joined the quest to find a vaccine for this has 4 letters. This clue belongs to the Doctors category and is part of Jeopardy Word Level 544. If you scroll near the bottom you will find other clues and answers part of level 544