Did Edward Jenner Discover Vaccines?
Did Edward Jenner Discover Vaccines? The smallpox vaccine, introduced by Edward Jenner in 1796, was the first successful vaccine to be developed. He observed that milkmaids who previously had caught cowpox did not catch smallpox and showed that inoculated vaccinia protected against inoculated variola virus. What was Edward Jenner’s contribution to microbiology? Developing the first