Jonas who developed a polio vaccine — Crossword Clue
Stuck on the 4–letter crossword clue “Jonas who developed a polio vaccine”? This page covers its appearance in NYT Crossword on 13th Sept 2011. You can reveal the answer at your pace — one letter at a time or the whole word in one go. We also provide helpful extras where available: an AI-generated hint, a dictionary definition, other clues that share the same answer, and a jumbled-letters view for quick anagramming.
Answer
Hints
Want a nudge without spoilers? Try revealing a hint or two, it might be just enough to get you unstuck.

Frequently asked questions about the crossword clue “Jonas who developed a polio vaccine”
The answer to “Jonas who developed a polio vaccine” is SALK (4 letters).
We last saw “Jonas who developed a polio vaccine” in NYT Crossword on 13th Sept 2011.
The 4-letter answer for “Jonas who developed a polio vaccine” is SALK.
If you’re still stuck on “Jonas who developed a polio vaccine”, try checking other answer lengths or using crossing letters to narrow the solution.
Daily Game Solvers, Hints and Answers
We help you solve your favourite daily game