Giardiasis Frequently Asked Questions
Publication Year: 2009
Giardiasis is a diarrheal illness caused by Giardia intestinalis (also known as Giardia lamblia), a one-celled, microscopic parasite that lives in the intestine of people and animals. This fact sheet provides information on symptoms, transmission and treatment of this illness.
This publication is available only on the Internet.
Division of Parasitic Diseases, NCID, CDC, OPHS, HHS
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