You searched for: “pathogen”
pathogen (s) (noun), pathogens (pl)
Any disease-producing micro-organism, such as a bacteria or a virus: During the past winter many people were affected by a pathogen resulting in very bad colds or the flu, and even those who had their doctors give them flu vaccinations came down with bad cases of influenza!

Pathogens proceed to establish themselves, multiply, and produce various symptoms in their hosts.

Any micro-organism or virus which can cause an illness.
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This entry is located in the following unit: path-, patho-, -path-, -pathia, -pathic, -pathology, -pathetic, -pathize, -pathy (page 19)
Word Entries at Get Words: “pathogen”
pathogen, pathogens
Any micro-organism or virus that can cause a disease. (1)
This entry is located in the following unit: Word a Day Revisited Index of Cartoons Illustrating the Meanings of Words (page 59)