What diseases did edward Jenner and Louis Pasteur?

Edward Jenner: smallpox

Jenner is best known for his research into smallpox, a deadly disease that was common in the 18th century. Edward Jenner's greatest accomplishment was the development of a vaccine for smallpox, released in 1798. His work on inoculation would change the course of public health and save countless lives.

Louis Pasteur: rabies

Louis Pasteur was instrumental in the development of the rabies vaccine, which is used to prevent rabies, a deadly viral infection of the central nervous system. He succeeded in producing a vaccine for rabies in 1885, which was the first successful vaccine for a viral disease.