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• Contact with the feces of infected persons (e.g., changing diapers).
• Contact with the feces of infected animals (e.g., pets and farm animals).
• Hand-to-mouth transfer of Crypto from surfaces or objects that may have gotten infected feces on them (e.g., diaper changing tables, garden soil, bathrooms).
• Swallowing water with Crypto in it while swimming. • Drinking water with Crypto in it. • Eating raw or undercooked food that has Crypto in it.
• Know the source of your water: (a) Do not drink or swallow water directly from rivers, lakes, streams, pools or spas; and (b) If you travel outside the United States, you may want to avoid drinking water that has not been boiled or filtered for Crypto.
• If you are immune-compromised, you should consider additional protective steps such as boiling your drinking water for one minute, which will kill any Crypto in it. You could also use a water filter certified by NSF International to remove Crypto or drink only bottled water certified by NSF or drink only canned and bottled bubbly drinks. You can call NSF to learn more about water filters and bottled water at 1-800-673-8010.