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A member asked:

Is giardia lamblia flagellated protozoan parasite contagious?

A doctor has provided 1 answer

Giardia: This organism lives in many water sources, and can also be transmitted by the fecal-oral route often on the hands of food preparers or servers. It is a commonly underdiagnosed cause of gastrointestinal infection.

Answered 12/23/2017

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