Line for September 25, 2026

Earliest

1. 1
   Vaccine measles

   An improved, weaker measles vaccine goes into use

   Position 12345
2. 2
   Eradication rinderpest (a cattle disease)

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

   Position 12345
3. 3
   Vaccine measles, mumps, rubella

   The combined MMR vaccine is licensed

   Position 12345
4. 4
   Elimination polio

   The last case of wild polio acquired in the United States

   Position 12345
5. 5
   Treatment hepatitis C

   Treatments that can cure hepatitis C become available

   Position 12345

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