The common cold, the flu, food poisoning, and toothaches all stem from
pathogens
eubacteria
archaea
rickettsia

The common cold, the flu, food poisoning, and toothaches all stem from pathogens. Pathogens are infectious agent that causes disease or illness to its host. The term is often used for agents that disrupt the normal physiology of a multicellular plant or animal, like the human.

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