Explore the recorded discovery and history of Entamoeba histolytica, with source links and stated limits.
An intestinal amoeba that can cause amebiasis, including invasive intestinal disease. Most infected people do not become ill. Some infections damage the intestine or spread beyond it.
The selected sources do not establish the first person ever infected. Naming, recognition and biological origin are separate questions.
Source check: 2026-09-21. Educational content; independent scientific review remains pending.