The most common and most likely answer to this crossword clue is the 7 letter word PASTEUR which also is the latest solution we found used in USA Today in 2020.
Vaccine pioneer Louis crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| PASTEUR | 100 % | 7 | 
Words with a meaning similar to the clue: Vaccine pioneer Louis
These words may or may not be a possible solution to this crosswords clue.- sabin
 - salk
 - sullivan
 - pasteur
 - point
 - arm
 - points
 - grass
 - rack
 - snap
 - stop
 - stops
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution