Germ Theory of Disease
Microbiology & Virology
1862
Featured
Discoverers: Louis Pasteur, Robert Koch
Overview
Establishment that specific microorganisms cause specific diseases, disproving spontaneous generation and founding modern microbiology and hygiene.
Significance
Transformed medicine by providing a rational basis for preventing and treating infectious diseases through sanitation, antisepsis, and vaccination.
Methodology
Pasteur's swan-neck flask experiments disproving spontaneous generation; Koch's postulates linking Bacillus anthracis to anthrax through isolation and re-infection.
Impact
- Founded modern microbiology
- Revolutionised public health and hygiene
- Established Koch's postulates for disease causation