Line for August 28, 2026

Earliest

1. 1
   Vaccine HPV

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

   Position 12345
2. 2
   Vaccine smallpox

   Edward Jenner sees cowpox protect milkmaids from smallpox: vaccination begins

   Position 12345
3. 3
   Campaign smallpox

   WHO starts a plan to rid the world of smallpox

   Position 12345
4. 4
   Discovery tetanus

   Kitasato isolates the tetanus organism from a patient

   Position 12345
5. 5
   Eradication smallpox

   The last known natural smallpox case, in Somalia

   Position 12345

Latest

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