xWord
Cracking Clues, Finding Answers!
Wednesday, August 26, 2026
Advertisements
Crossword answer

SALK

4 letters · Used for 4 different clues · 9 appearances · Last seen USA Today, June 20, 2026
Letter pattern
SALK
Starts with S, ends with K · 4 letters
Advertisements

Clues that lead to SALK

Most recent first
ClueLettersPuzzleLast seen
Polio vaccine developer4USA TodayJun 20, 2026 Vaccine pioneer4Eugene ShefferAug 26, 2024 Polio vaccine discoverer4Eugene ShefferAug 21, 2024 Polio vaccine pioneer4Eugene ShefferFeb 7, 2024

About SALK in crosswords

SALK is a 4-letter answer that has appeared 9 times in our database across 4 different clues. It was most recently the answer to “Polio vaccine developer” in the USA Today crossword on June 20, 2026.

Every appearance of SALK (9)

Click to expand · newest first
Jun 20, 2026
Polio vaccine developer · USA Today · 34 Down
Aug 26, 2024
Vaccine pioneer · Eugene Sheffer · 27 Down
Aug 21, 2024
Polio vaccine discoverer · Eugene Sheffer · 43 Down
Feb 7, 2024
Polio vaccine pioneer · Eugene Sheffer · 43 Down
Oct 27, 2021
Vaccine pioneer · Eugene Sheffer · 48 Down
Jun 24, 2021
Polio vaccine discoverer · Eugene Sheffer · 60 Across
Feb 27, 2021
Polio vaccine pioneer · Eugene Sheffer · 3 Down
Jul 28, 2020
Polio vaccine discoverer · Eugene Sheffer · 38 Down
Apr 24, 2020
Polio vaccine discoverer · Eugene Sheffer · 30 Down