Giardiasis is reported worldwide in dogs and cats, however, as it is a zoonosis, it has great importance in public health, being one of the main causes of diarrhea in humans.
Giardia spp is a flagellated protozoan that can be found parasitizing the small intestine, and occasionally the large intestine of domestic animals and also humans, and can cause acute diarrhea and in some cases, chronic diarrhea.
