A patient showed symptoms of constipation,abdominal pain and stools with excess mucous and blood clots.Name the disease and its pathogen

A patient showed symptoms of constipation,abdominal pain and stools with excess mucous and blood clots.Name the disease and its pathogen.Where do these pathogens live in the victim’s body?Name the mechanical carrier that transmits this parasite

Disease-Amoebiasis.
Pathogen-Entamoeba histolytica.
The pathogens resides in the large intestine.
Carriers-Houseflies.