Related Clues:
- 54-Across vaccine developer
- Much-honored virologist
- Ticker-tape parade refuser in '55
- Antipolio pioneer
- Polio vaccine pioneer Jonas
- Polio-vaccine pioneer
- Bacteriologist Jonas
- American microbiologist who developed the standard vaccine against polio
- Albert --, microbiologist who developed a polio vaccine
- Jonas --, developer of the first effective polio vaccine
- Jonas --, US virologist who developed a vaccine against polio
- Famed vaccine developer
- Big name in polio research
- Physician who received the Presidential Medal of Freedom in '86
- Jonas of vaccines