Ways to avoid food that might be contaminated with Giardia include:
Washing and/or peeling all raw vegetables and fruits before eating
Using safe, uncontaminated water to wash all food that is to be eaten raw
Avoiding uncooked foods when traveling in countries with minimal water treatment and sanitation systems.
How to Prevent Giardia From Spreading
A Giardia infection can be highly contagious. Therefore, a person who has been diagnosed with a Giardia infection should follow these guidelines to avoid spreading the disease to others:
Wash your hands with soap and water after using the toilet, changing diapers, and before eating or preparing food.
Avoid fecal exposure during sexual activity.
Do not swim in recreational water (pools, hot tubs, lakes or rivers, the ocean, etc.) if you have Giardia, and for at least two weeks after diarrhea stops. You can pass Giardia in your stool and contaminate water for several weeks after your symptoms have ended. This has resulted in outbreaks of Giardia among recreational water users.
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