Cured Disease.com
$1.95/moFree during preview Score Book

Tuesday, April 21, 2026

Line for April 21, 2026

Put these 5 milestones in time order, earliest at the top. The years appear when you lock in your order.

Line Pass feature Free during preview

Earliest

  1. 1
    Discovery rubella

    The rubella virus is isolated

  2. 2
    Vaccine rotavirus

    The first rotavirus vaccine is licensed, then withdrawn the next year

  3. 3
    Vaccine hepatitis A

    The first hepatitis A vaccines are licensed in the U.S.

  4. 4
    Discovery tuberculosis

    Robert Koch announces the germ that causes tuberculosis

  5. 5
    Vaccine measles, mumps, rubella

    The combined MMR vaccine is licensed

Latest