A. Fleming in 1945
B. Florey & Chain in 1975
C. Flore & Chain in 1795
D. Edward Jenner in 1795
Correct Answer: Edward Jenner in 1795 ✔
Last Updated: October 12, 2016
A. Fleming in 1945
B. Florey & Chain in 1975
C. Flore & Chain in 1795
D. Edward Jenner in 1795
Correct Answer: Edward Jenner in 1795 ✔
Last Updated: October 12, 2016