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English definition of “pathogen”


noun [C]     /ˈpæθ.ə.dʒən/
any small organism , such as a virus or a bacterium that can cause disease : a dangerous pathogenBacteria, moulds, germs and viruses pathogenic     /ˌpæθ.əˈdʒen.ɪk/ adjective Bacteria, moulds, germs and viruses
(Definition of pathogen noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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