19. What is the parasite that
causes giardiasis? How is it
transmitted and what are the
typical manifestations of the
disease?

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Giardiasisis a protozoal infection
by Giardia lamblia, or giardia, a
flagellate protozoan.

transmissionis fecal-oral, through
contaminated and food or carried
insects like cockroaches and .
Giardiasis manifests like amebiasis,as
enteritis with diarrhea, abdominal
, weight loss and anemia.