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Terms & Synonyms

Official WHO Definition

A Cryptosporidium infection.

Other Definitions


Interpretations and Explanations

Cryptosporidium generally causes a self-limiting diarrhoea, sometimes including nausea, vomiting and fever, which usually resolves within a week in normally healthy people, but can last for a month or more. Severity of cryptosporidiosis varies according to age and immune status, and infections in severely immunocompromised people can be life-threatening.It is transmitted by the faecal-oral route. Other sources of infection include the consumption of contaminated food and water. The oocysts are resistant to chlorine disinfection but are inactivated by UV disinfection.


WHO (2004), Guidelines for Drinking-water Quality, 3rd ed, vol 1.pages 262-263.

WHO Lexicon page (translations and examples)

See also

External Resources


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