 
<translate> Muhimmin bangare na amsa wannan tambayar shi ne: Alurar rigakafin cutar kyanda, allurar rigakafi ta farko da aka samu nasara, Edward Jenner ne ya gabatar da ita a shekara ta 1796. Amsar ita ce Edward Jenner. <eng> The important part for answering this question is: Smallpox vaccine, the first successful vaccine to be developed, was introduced by Edward Jenner in 1796. So, the answer is Edward Jenner. 