TABLE 1.

Comparison of methods used to detect WN virus infection in two chickens^a

Time p.i. (days)	Chicken 1			Chicken 2
	IgM-ELISA P/N	HAI titer	PRNT titer	IgM-ELISA P/N	HAI titer	PRNT titer
0	1.51	<10	-	1.39	<10	-
1	-b	-	-	-	-	-
2	1.01	-	-	1.61	-	-
3	1.30	<10	<10	2.99	<10	<10
4	-	-	-	-	-	-
5	1.93	<10	<10	3.46	<10	<10
6	-	-	-	-	-	-
7	6.83	<10	<10	10.32	<10	<10
10	17.94	<10	80	23.54	40	40
12	15.43	40	-	18.08	40	-
14	14.82	80	40	16.88	40	40
17	12.03	80	80	7.72	20	40
19	13.09	80	-	6.83	20	-
21	11.22	80	40	5.65	20	40
24	9.64	80	80	4.63	20	80
26	10.04	80	-	4.83	20	-
28	10.51	80	160	3.92	20	40

^aA P/N value of <2.0 is considered a negative result; a HAI titer of <10 is considered a negative result; a PRNT titer of <10 is considered a negative result.

^b-, not done.