Historical clue formulations

• Sabin vaccine target — 2025-11-10
• Oral vaccine target — 2024-08-23
• Health problem now largely eradicated in the U.S. — 2023-12-06
• Study for Dr. Albert Sabin — 2020-07-02
• Vaccine target — 2016-05-04
• Subject of the 1954 Nobel Prize in Medicine — 2016-05-01
• Vaccine target — 2014-05-27
• Sabin's study — 2014-04-10
• Challenge for F.D.R. — 2014-03-30
• F.D.R.'s affliction — 2014-02-11
• Salk vaccine target — 2011-04-11
• Vaccine target — 2007-11-08
• Bygone epidemic cause — 2006-02-25
• Salk's conquest — 2004-06-09
• F.D.R. affliction — 2004-04-11
• Old disease — 2002-05-27
• Salk's target — 2000-09-20
• Salk's conquest — 1999-12-02
• Salk's conquest — 1994-10-19