- Created by: emmalamp11
- Created on: 08-06-21 20:10
Edward Jenner made the first breakthrough in the 18th century - finding a vaccination for small pox, a killer disease. He published his theory in 1798.
1861-1864 stage 1 theory and proof
Louis Pasteur's theory was that bacteria caused disease.
1865-1876 stage 2 struggling to prove the theory's value