TABLE 1.

Summary of PCR results for E. histolytica, E. dispar, and E. moshkovskii^a

Primers	Specificity	Product size (bp)	Detection rateb (%)
Entam 1 and Entam 2c	All Entamoeba species	550	25/30 (83.3)
P11 and P12d	E. histolytica	101	4/30 (13.3)
P13 and P13d	E. dispar	101	6/30 (20)
EntaF and EhRe	E. histolytica	166	4/30 (13.3)
EntaF and EdRe	E. dispar	752	6/30 (20)
EntaF and EmRe	E. moshkovskii	580	0/30 (0)

^aShown are results from PCR using primers EntaF and EhR, EdR, and EmR compared with results from other PCR assays.

^bNumber of positive samples/number of total samples.

^cPCR method of Verweij et al. (15).

^dPCR method of Tachibana et al. (12).

^ePCR method developed in this study.