A Cryptosporidium is a protozoan microbe associated with the disease cryptosporidiosis in man. The disease can be transmitted through ingestion of drinking water, person-to-person contact,

or other pathways, and can cause acute diarrhea, abdominal pain, vomiting, fever, and can be fatal.


Other /More definition:
A cryptosporidium is a protozoan (single-celled organism) that can infect humans, usually as a result of exposure to contaminated drinking water.


Other /More definition:
A Cryptosporidium is a microorganism commonly found in lakes and rivers which is highly resistant to disinfection. Cryptosporidium has caused several large outbreaks of gastrointestinal illness, with symptoms that include diarrhea, nausea, and/or stomach cramps. People with severely weakened immune systems are likely to have more severe and more persistent symptoms than healthy individuals.


List of books: Cryptosporidium