Which of the following is a non-foodborne route of transmission for foodborne pathogens?

• A. Well water
• B. Shopping carts
• C. Pets with diarrhea
• D. Farm visits or residence

Answer: (A)

Pathogens that cause foodborne illness can reach people through routes other than eating contaminated food. A well is a direct vehicle for transmission because contaminated groundwater or surface runoff can introduce pathogens into the water you drink or use for washing, without involving food at all. When you ingest or touch this water, you’re exposed to the pathogen independent of any food vehicle, which makes waterborne transmission a classic non-foodborne route.

Shopping carts, pets with diarrhea, and farm visits can also lead to exposure, but they rely on contact with contaminated surfaces or environments and often involve subsequent steps (like transferring to hands or utensils) before ingestion. The water route, by contrast, provides a straightforward non-food pathway for illness from foodborne pathogens.