Table 4. Prevalence of Entamoeba infection detected by PCR analysis.

Species	No. of positives (%)
	School A n = 808	School B n = 44	School C n = 381	Total n = 1,233
Entamoeba histolytica	20 (2.5)	3 (6.8)	8 (2.1)	31 (2.5)
Entamoeba dispar	39 (4.8)	9 (20.5)	7 (1.8)	55 (4.5)
Entamoeba coli	189 (23.4)	32 (72.7)	50 (13.1)	271 (22.0)
Entamoeba moshkovskii	0 (0)	0 (0)	0 (0)	0 (0)
Entamoeba nuttalli	0 (0)	0 (0)	0 (0)	0 (0)
Entamoeba polecki ST1	0 (0)	0 (0)	0 (0)	0 (0)
Entamoeba chattoni (E. polecki S2)	0 (0)	0 (0)	0 (0)	0 (0)