While chlorine in water treatment will not kill the cysts, filtered public water supplies eliminate it. it can be prevented by thoroughly washing hands before handling food. in addition, children should:
• maintain good personal hygiene
• not eat unwashed fruit or vegetables unless they can be peeled
• stay home from a child-care center if they have severe diarrhea until the stool returns to normal.
See also food poisoning; gastrointestinal
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