Prevention & Control of Cryptosporidiosis
The following recommendations are intended to help prevent and control cryptosporidiosis.
Practice Good Hygiene
Everywhere
- Wash hands with soap and water for at least 20 seconds, rubbing hands together vigorously and scrubbing all surfaces:
- Before preparing or eating food
- After using the toilet
- After changing diapers or cleaning up a child who has used the toilet
- Before and after tending to someone who is ill with diarrhea
- After handling an animal or animal waste
At child care facilities
- To reduce the risk of disease transmission, children with diarrhea should be excluded from child care settings until the diarrhea has stopped.
At recreational water venues (pools, interactive fountains, lakes, ocean)
- Protect others by not swimming if you are experiencing diarrhea (this is essential for children in diapers). If diagnosed with cryptosporidiosis, do not swim for at least 2 weeks after diarrhea stops.
- Shower before entering the water.
- Wash children thoroughly (especially their bottoms) with soap and water after they use the toilet or their diapers are changed and before they enter the water.
- Take children on frequent bathroom breaks and check their diapers often.
- Change diapers in the bathroom, not at the poolside.
Around animals
- Minimize contact with the feces of all animals, particularly young animals.
- When cleaning up animal feces, wear disposable gloves, and always wash hands when finished.
- Wash hands after any contact with animals or their living areas.
Outside
- Wash hands after gardening, even if wearing gloves.
Immunocompromised persons
- Avoid close contact with any person or animal that has cryptosporidiosis. Cryptosporidiosis can become a life threatening disease for immunocompromised persons.
- Do not handle animal feces because infection can be life threatening for immunocompromised persons.
More on: Water-related Hygiene
More on: Healthy Swimming and Recreational Water
More on: Cryptosporidiosis in Immunocompromised Persons
Avoid Water That Might Be Contaminated
Note:
You may not be protected in a chlorinated recreational water venue (for example, swimming pool, water park, water play area, splash pad, spray pad) because Cryptosporidium is chlorine-resistant and can live for days in chlorine-treated water.
- Do not swallow water while swimming in swimming pools, hot tubs, interactive fountains, lakes, rivers, springs, ponds, streams or the ocean.
- Reduce contamination of treated recreational water venues by having pool operators install in-line secondary disinfection systems (for example, ultraviolet light, ozone) to inactive this chlorine-tolerant parasite.
- Do not drink untreated water from lakes, rivers, springs, ponds, streams, or shallow wells.
- Do not drink inadequately treated water or ice made from water during communitywide outbreaks caused by contaminated drinking water.
- Do not use or drink inadequately treated water or use ice when traveling in countries where the water supply might be unsafe.
- If the safety of drinking water is questionable (for example, outbreak, poor sanitation, lack of water treatment systems):
- Drink bottled water
- Disinfect it by heating the water to a rolling boil for 1 minute, or
- Use a filter that has been tested and rated by National Safety Foundation (NSF) Standard 53 or NSF Standard 58 for cyst and oocyst reduction; filtered water will need additional treatment to kill or inactivate bacteria and viruses.
More on: Healthy Swimming and Recreational Water
More on: Cryptosporidium & Water Filters
More on: Commercially-Bottled Water and Other Beverages
Avoid Eating Food That Might Be Contaminated
- Use safe, uncontaminated water to wash all food that is to be eaten raw.
- After washing vegetables and fruit in safe, uncontaminated water, peel them if you plan to eat them raw.
- Avoid eating uncooked foods when traveling in countries with poor water treatment and food sanitation.
Practice Extra Caution While Traveling
More on: Traveler's Health: Safe Food and Water
Prevent Contact and Contamination With Feces During Sex
- Use a barrier during oral-anal sex.
- Wash hands immediately after handling a condom used during anal sex and after touching the anus or rectal area.
Contact Us:
- Centers for Disease Control and Prevention
1600 Clifton Rd
Atlanta, GA 30333 - 800-CDC-INFO
(800-232-4636)
TTY: (888) 232-6348
24 Hours/Every Day - cdcinfo@cdc.gov


