What Causes Cryptosporidium

It is caused by microscopic germs—parasites called Cryptosporidium. Cryptosporidium, or “Crypto” for short, can be found in water, food, soil or on surfaces or dirty hands that have been contaminated with the feces of humans or animals infected with the parasite.

How is Cryptosporidium transmitted?

Common ways Cryptosporidium is transmitted include: Swallowing contaminated water while swimming or drinking. Having contact with animals, especially calves and goats, and their environment. Having contact with people who are sick with cryptosporidiosis, especially in child care settings.

What kind of disease does Cryptosporidium cause?

What is Cryptosporidium? Cryptosporidium is a parasite that causes a diarrheal illness called cryptosporidiosis (the parasite and the disease are often called “Crypto”). Crypto is a common waterborne illness and is the most common cause of recreational water illness in the United States.