Table 1.

Sensitivity of Antigen Capture-Enzyme-Linked Immunosorbent Assay

	Dilution of feces
Method variant	1:2	1:4	1:8	1:16	1:32	1:64	1:128	1:256	Negative control
A490 of AC-ELISA*	0.533	0.199	0.208	0.179	0.141	0.139	0.110	0.090	0.087
RT-PCR	+	+	+	+	+	+	+	−	−

^*The OD of ELISA≥0.105 was considered as positive.

AC-ELISA, antigen capture-enzyme-linked immunosorbent assay; RT-PCR, reverse transcriptase polymerase chain reaction.