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What is the best example of the "fecal-oral route" of contamination?

A A food handler does not wash their hands after using the restroom.

Explanation: Feces (poop) contains many dangerous pathogens that must be controlled. Both human and animal feces is dangerous to humans. In order for the pathogens in feces to make a person sick, they must enter the body. Usually, this happens orally (through the mouth). But it can also happen through the nose, eyes, or open wounds. There are many other ways that feces can spread throughout an operation, such as pests or cross-contamination. But the number one cause is poor personal hygiene. Unwashed hands touching the mouth or touching a surface that will then touch the mouth is the leading route.