Prevention of a shigella infection includes:
Wash your hands after using the toilet.
Avoid eating raw clams or oysters.
Do not drink unpasteurized milk.
Do not share food utensils.
Wash vegetables and fruits thoroughly.
Wash your hands after handling raw meat, seafood, or poultry.
Make sure all meat, poultry and fish products are well cooked.
Re-heat leftover foods thoroughly.
Travelers can take 2 tablets of Pepto-Bismol with each meal and at bedtime.
Travelers to developing countries should avoid:
Foods that are not steaming hot
Raw vegetables
Fruit they have not peeled themselves
Tap water, including ice