Vaccination was discovered by ……? May 25, 2021 / By Preparation Point / Assistant (BS-16) Punjab Police 2020 PPSC Past Papers Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) Galileo B) Edward Jenner C) Roentgen D) Baird In 1798 Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn