Line for October 20, 2026

Earliest

1. 1
   Vaccine Hib disease

   The first Hib vaccine is licensed in the U.S.

   Position 12345
2. 2
   Campaign Guinea worm

   Guinea worm: about 3.5 million cases a year, the starting line for eradication

   Position 12345
3. 3
   Eradication rinderpest (a cattle disease)

   The last identified case of rinderpest, the second disease ever eradicated

   Position 12345
4. 4
   Vaccine shingles

   The first shingles (zoster) vaccine is licensed in the U.S.

   Position 12345
5. 5
   Elimination smallpox

   Smallpox is eliminated in North America

   Position 12345

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