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Food borne pathogens are harmful to the human body in any amount

User Golobitch
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Not true. For all diseases caused by pathogens (even viruses), there is a minimum infectious dose needed to cause disease.

It does vary between different pathogens & between the condition of the host (immunocompromised vs. healthy), but if the minimum infectious dose is not met- then the body is typically able to snuff out the intruders before they can do any real damage.

Hope that helps!
User Eshlox
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