Help to make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

What was the first vaccine?


The smallpox vaccine was the first vaccine to be developed against a contagious disease. In 1796, the British doctor Edward Jenner demonstrated that an infection with the relatively mild cowpox virus conferred immunity against the deadly smallpox virus

{{ relativeTimeResolver(1608453869753) }}

LIVE
Points points 290
Rating 1

Similar Questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE