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Glossary · Food safety

Cross-contamination

The transfer of unwanted microorganisms or allergens from one food, utensil or surface to another.

Source and review

WHO

Open source ↗

Evidence level
source_collected_editorial_review_pending
Last editorial review
2026-07-14

Macrovia provides planning information and does not replace personal healthcare.

#cross-contamination#raw and cooked food#hand washing
Macrovia supports planning and informed choices; it does not replace personal healthcare.