Who discovered the first vaccine of smallpox?

Question:-

Who discovered the first vaccine of smallpox?

Answer:-

• In 1796, the British doctor Edward Jenner discovered the first vaccine of smallpox.
• His methods underwent medical and technological changes over the next 200 years, and eventually resulted in the eradication of smallpox.
• The smallpox vaccine being the first vaccine to be developed against a contagious disease.
•  From 1958-1977, the World Health Organization conducted a global vaccination campaign that eradicated smallpox, making it the only human disease to be eradicated.