TABLE 2.

Comparison of serologic assays in determining flavivirus antibody titer or status of naturally infected rock pigeons (Columba livia)

Bird IDa	Titer of antibody or antibody positivity for wk:
	3			24			45
	PRNT	ELISAc	HAI	PRNT	ELISA	HAI	PRNT	ELISA	HAI
13	160	+/+	—	160	+/+	—	160	+/+	—
15	160	+/+	—	160	+/+	—	160	+/+	—
24	320	+/+	—	160	+/+	—	160	+/+	—
31	80	+/+	80	80	+/+	80	80	+/+	20
34	160	+/+	—	160	+/+	—	80	+/+	—
42	640	+/+	20	640	+/+	10	640	+/+	10
43	320	+/+	—	640	+/+	—	320	+/+	—
179	640	+/+	10	640	+/+	10	640	+/+	—
180	40	+/+	—	80	+/+	—	40	+/+	—
181	320	+/−	—	320	−/−	—	160	+/−	—
185	320	+/+	80	320	+/+	40	320	+/+	20
186	320	+/+	—	160	+/+	—	320	+/−	—
187	320	+/+	—	640	+/+	10	640	+/+	—
189	40	+/+	—	40	+/+	—	10	+/−	—
190	160	+/+	—	160	+/+	—	320	+/+	—
192	160	+/+	—	160	+/+	—	160	+/+	—
194	320	+/+	—	320	+/+	—	320	+/+	—
196	160	+/+	—	80	+/+	—	80	+/+	—
199	160	+/+	—	160	+/+	—	160	+/+	—
200	160	+/+	10	160	+/+	—	160	+/+	—
1	—b	−/−	—	—	−/−	—	—	−/−	—
5	—	−/−	—	—	−/−	—	—	−/−	—
21	—	−/−	—	—	−/−	—	—	−/+d	—
26	—	−/−	—	—	−/−	—	—	−/−	—
37	—	−/−	—	—	−/−	—	—	−/−	—
39	—	−/−	—	—	−/−	—	—	−/−	—
41	—	−/−	—	—	−/−	—	—	−/−	—
178	—	−/−	—	—	−/−	—	—	−/−	—
188	—	−/−	—	—	−/−	—	—	−/−	—
197	—	−/−	—	—	−/−	—	—	−/−	—

^aBird identification no.

^b—, PRNT₉₀ or HAI titer of antibody of <10.

^cResults for monoclonal antibodies (6B6C-1/3.1112G).

^dThis sample classified as negative due to negative screen by 6B6C-1.