Name That Pathogen
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“Pathogen” from the Greek pathos and gen for “born of” is a word for a causative agent of infectious disease. There are pathogens that cause infectious diseases of animals (including us), of plants, and even of unicellular organisms such as bacteria and archaea. Viral pathogens of bacteria are called bacteriophages, the “phage” part from the Greek phagos, “to feed on”.
