Line for July 14, 2026

Earliest

1. 1
   Vaccine pertussis

   The first whole-cell whooping cough (pertussis) vaccines are 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
   Vaccine measles, mumps, rubella, chickenpox

   The combined MMRV vaccine is licensed

   Position 12345
4. 4
   Vaccine rotavirus

   The first rotavirus vaccine is licensed, then withdrawn the next year

   Position 12345
5. 5
   Elimination polio

   The last case of wild polio acquired in the United States

   Position 12345

Latest

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