Entamoeba histolytica.
D000562:Amebiasis / Q000453:epidemiology*; D000818:Animals; D002648:Child; D004199:Disease Vectors; D004748:Entamoeba histolytica / Q000302:isolation & purification*; D005243:Feces / Q000032:analysis; D005260:Female; D005506:Food Contamination; D005521:Food Service, Hospital; D006801:Humans; D006920:Hygiene; D009549:Nigeria; D014329:Tropical Climate