Line for August 1, 2026

Earliest

1. 1
   Vaccine rotavirus

   The first rotavirus vaccine is licensed, then withdrawn the next year

   Position 12345
2. 2
   Discovery measles

   A Scottish physician shows measles is caused by an infectious agent in the blood

   Position 12345
3. 3
   Vaccine smallpox

   Edward Jenner sees cowpox protect milkmaids from smallpox: vaccination begins

   Position 12345
4. 4
   Discovery rubella

   The rubella virus is isolated

   Position 12345
5. 5
   Discovery hepatitis B

   The hepatitis B surface antigen is first described

   Position 12345

Latest

Lock in my order