| Answer | Crossword Clue |
|---|---|
| ORAL | Like the Sabin polio vaccine |
| ORAL | Like the Sabin vaccine |
| ORAL | Like Sabin's polio vaccine |
| SALK | Developer of the polio vaccine |
| Answer | Crossword Clue |
|---|---|
| ORAL | Like the Sabin polio vaccine |
| ORAL | Like the Sabin vaccine |
| ORAL | Like Sabin's polio vaccine |
| SALK | Developer of the polio vaccine |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.