The clinical spectrum of intestinal E. histolytica infection ranges from an asymptomatic carrier state to severe invasive disease. Asymptomatic cyst carriage occurs with E. histolytica as well as E.

ALA = Amoebic liver abscess; Eh = Entamoeba histolytica; EhCP = E. histolytica cysteine proteinase; Ehserp = E. histolytica serine proteinase; EhSTIRP = Serine threonine isoleucine-rich protein ...

The causative agent of amoebiasis, Entamoeba histolytica, was discovered in 1875 by F. Loesch. In 1903, the organism was ...