First successful vaccination was done in 1796 by _____?
First successful vaccination was done in 1796 by _____?
پہلا کامیاب ویکسینیشن 1796 میں _____ کے ذریعہ کیا گیا تھا؟
Explanation
In 1796, Edward Jenner successfully used material from cowpox to vaccinate against smallpox.
This was the first successful vaccination in medical history.