Line for April 15, 2026

Earliest

1. 1
   Discovery diphtheria

   The diphtheria bacterium is first seen under the microscope

   Position 12345
2. 2
   Elimination HIV and syphilis (mother to child)

   Cuba is the first country validated for ending mother-to-child HIV and syphilis

   Position 12345
3. 3
   Discovery rotavirus

   Rotavirus is identified as a cause of diarrhea

   Position 12345
4. 4
   Vaccine malaria

   WHO recommends the first malaria vaccine for wide use in children

   Position 12345
5. 5
   Vaccine pneumococcal disease

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

   Position 12345

Latest

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