Giardia lamblia

parasitic microorganism that causes giardiasis


Giardia lamblia (also known as Lamblia intestinalis and Giardia duodenalis) is a parasite that infects the intestines and causes giardiasis or 'beaver fever'. Giardia affects humans, cats, dogs and birds, cows, beavers, deer, and sheep.

Giardia lamblia
Giardia cell, SEM
Scientific classification
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Binomial name
Giardia lamblia
Parasite life cycle (click to enlarge).