Everyday Science MCQs, PPSC Assistant In Punjab Police Department 2020, PPSC Solved Past Papers MCQsSmallpox Vaccination was discovered by? Posted on March 25, 2021March 25, 2021 by adminA. Galileo B. Edward Jenner C. Baird D. RoentgenShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)
