Translations: Etymology: From (term, pathogénique, lang=fr) < (term, , lang=el, tr=pathos, , disease) (see pathos) + (term, génique, , producing, lang=fr).
- (context, pathology, immunology) Any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungus, fungi. Microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease.
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