Background information on Giardia
Giardia is luminal intestinal flagellated protozoan parasite. Giardia lamblia( also known as G. intestinalis or G. duodenalis) is the most common species that usually exhibits a typical fecal-oral lifecycle. Giardia lamblia) colonizes the upper portions of the small intestine and is the most common protozoan isolated from human stools. The prevalence is estimated at 200 million clinical cases per year [ CITATION Annd3 \l 1033 ].
Giardia lamblia exists in two forms, an active form called a trophozoite, and an inactive form called a cyst. The active trophozoite attaches to the lining of the small intestine with a "sucker" and is responsible for causing ...
