germ theory of disease

uncountable

The theory (coherent scientific explanation of an observable fact) that some diseases are caused by microorganisms.

Japanese Meaning

微生物が原因となる病気の発生についての科学的理論 / 病気が微生物によって引き起こされるという考え方

The germ theory of disease revolutionized medical practice and public health measures in the nineteenth century.

病原体説は19世紀に医療と公衆衛生の実践を一変させた。

Sense（1）

The theory (coherent scientific explanation of an observable fact) that some diseases are caused by microorganisms.