Question

Who discovered vaccine of small-pox? and when?​

Answer 1

The basis for vaccination began in 1796 when an English doctor named Edward Jenner observed that milkmaids who had gotten cowpox did not show any symptoms of smallpox after variolation. The first experiment to test this theory involved milkmaid Sarah Nelmes and James Phipps, the 9 year-old son of Jenner's gardener.

Answer 2

Answer:

EDWARD JENNER DISCOVERD VACCINE OF SMALL POX IN 1796

Explanation:

Edward Jenner, FRS FRCPE was an English physician and scientist who pioneered the concept of vaccines including creating the smallpox vaccine, the world's first vaccine. The terms vaccine and vaccination are derived from Variolae vaccinae, the term devised by Jenner to denote cowpox