Multiple choice

When was measles vaccine discovered?

  1. 1960

  2. 1964

  3. 1968

  4. 1970

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The measles vaccine was licensed in the United States in 1960, developed by John Enders and his team. It was a breakthrough in preventing one of the most contagious childhood diseases. The vaccine has since saved millions of lives worldwide through global immunization campaigns.