Entamoeba Histolytica and Other Aamoebae. Amoebiasis affects around 480 million people worldwide, with an annual mortality of 40,000–110,000 persons. [] It is now established that in addition to ...

The single-celled parasite Entamoeba histolytica infects 50 million people each year, killing nearly 70,000. Usually, this wily, shape-shifting amoeba causes nothing worse than diarrhea.