18. What is the etiological
agent of amebiasis? How is it
transmitted and what are the
typical manifestations of the
disease?

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Amebiasisis caused by the
Entamoeba histolytica,or simply
amoeba.

transmission of the disease oralfecal,
through contaminated water
food or by insects cockroaches and
flies. The parasites the intestine
of generally in an
asymptomatic , but it can
sometimes enteritis with diarrhea
and dysentery, abdominal pain,
weight and anemia. In rare
extra-intestinal invasion may occur
the liver, skin, genitalorgans
other organs.