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===Meaning===
The '''Germ theory of disease''' is a [[Scientific Theory|scientific theory]] that claims [[disease]] is caused by [[micro-organism]]s or 'germs'.
==Key Stage 4==
===Meaning===
The '''Germ theory of disease''' is a [[Scientific Theory|scientific theory]] that claims [[disease]] is caused by [[micro-organism]]s or 'germs'.
===Extra Information===
{{#ev:youtube|https://www.youtube.com/watch?v=N9LC-3ZKiok}}