Table 1.

Comparison of avian influenza virus A (Avian/Vietnam/1203/04) (H5N1) detection using different methods

Detection method	Virus concentration (pg/mL)
	107	106	105	104	103	102	10	1	0
This study	+	+	+	+	+	+	+	-	-
Plasmonic assay	+	+	+	+	+	+	-	-	-
Conventional ELISA	+	+	+	+	+	-	-	-	-
Commercial kit	+	+	+	+	+	-	-	-	-

*Note: + and - denote positive and negative diagnoses, respectively.