About Crypto Infections Key points Cryptosporidiosis is a disease that causes watery diarrhea. It is caused by a microscopic germ (parasite) called Cryptosporidium. This parasite can live in water, food, soil, or on surfaces that have been contaminated with infected poop. Cryptosporidium can be found in the United States and throughout the world.
Cryptosporidiosis, sometimes informally called crypto, [1] is a parasitic disease caused by Cryptosporidium, a genus of protozoan parasites in the phylum Apicomplexa.
Cryptosporidiosis is an infection that causes diarrhea. It is sometimes called Crypto. It is caused by a parasite found in stool.
Cryptosporidiosis is a water- and food-borne zoonotic disease caused by the protozoon parasite of the genus Cryptosporidium. C. hominis and C. parvum are the main two species causing infections in humans and animals. The disease can be transmitted ...
Cryptosporidiosis (KRIP-toe-spo-rid-ee-OH-sis) or Crypto is a diarrheal disease caused by a microscopic parasite called Cryptosporidium. The parasite lives in the intestine of infected humans and animals.
A cryptosporidium infection (cryptosporidiosis) is an illness caused by tiny one-celled parasites. Learn more about the symptoms, causes, risk factors, treatment, and prevention of cryptosporidiosis.
Cryptosporidiosis Last Reviewed: January 2026 What is cryptosporidiosis? Cryptosporidiosis, commonly known as Crypto, is caused by a tiny parasite called Cryptosporidium and gives an infected person diarrhea (loose stool/poop). The parasite lives in the gut of infected animals and people and spreads to others through drinking contaminated water, swimming or going into contaminated recreational ...
Cryptosporidiosis is a life-threatening condition in reptiles that is caused by parasites. The disease affects all types of cold-blooded animals, including snakes, tortoises, chameleons, geckos, and ...
Cryptosporidiosis is a parasitic infection caused by Cryptosporidium where infected individuals develop profuse watery diarrhea and enteric symptoms such as abdominal pain. In immunocompromised or ...