TABLE 3.

Serological and molecular test results performed in confirmed cases of West Nile virus infection^a

No.	Serology result						qRT-PCR result		No. of days from symptom onset until urine and WB collection	Serology diagnosis (test)
	CSF		1st serum sample		2nd serum sample		WB (no. of copies/ml)	Urine (no. of copies/ml)
	IgM	IgG	IgM	IgG	IgM	IgG
1	Pos	Neg	Pos	Pos	ND	ND	Pos (5,877)	Pos (10,771)	11	Confirmed (IgM in CSF)
2	Pos	Neg	Pos	Neg	Pos	Neg	Pos (68)	Neg	5	Confirmed (IgM in CSF)
3	Pos	Neg	Pos	Pos	ND	ND	Pos (4)	Pos (17,907)	5	Confirmed (IgM in CSF)
4	Pos	Equ	Pos	Pos	Pos	Pos	Neg	Pos (17)	19	Confirmed (IgM in CSF)
5	Pos	Neg	Pos	Neg	ND	ND	Pos (3,367)	Neg	12	Confirmed (IgM in CSF)
6	Pos	Neg	Pos	Neg	Pos	Pos	Pos (4,448)	Pos (34)	9	Confirmed (IgM in CSF)
7	ND	ND	Pos	Pos	Pos	Pos	Neg	Neg	12	Confirmed (NT)
8	ND	ND	Pos	Pos	Neg	Pos	Neg	Neg	7	Confirmed (NT)
9	Pos	Neg	ND	ND	ND	ND	Pos (1)	Pos (551)	13	Confirmed (IgM in CSF)
10	Pos	Neg	Pos	Neg	ND	ND	Pos (137)	Neg	8	Confirmed (IgM in CSF)
11	Pos	Neg	Pos	Pos	ND	ND	Pos (137)	Pos (2,217)	10	Confirmed (IgM in CSF)
12	ND	ND	Pos	Neg	Pos	Neg	Pos (551)	Neg	10	Confirmed (NT)
13	ND	ND	Pos	Neg	Pos	Pos	Pos (3,609)	Neg	34	Confirmed (seroconversion)
14	Pos	Neg	Pos	Neg	ND	ND	Pos (551)	Pos (34)	12	Confirmed (IgM in CSF)
15	Pos	Neg	Pos	Neg	ND	ND	Pos (68)	Neg	8	Confirmed (IgM in CSF)
16	Pos	Neg	Pos	Neg	ND	ND	Pos (4)	Pos (137)	17	Confirmed (IgM in CSF)
17	Pos	Neg	ND	ND	ND	ND	Neg	Neg	6	Confirmed (IgM in CSF)
18	Pos	Neg	ND	ND	ND	ND	Pos (290,238)	Pos (9,438,916)	5	Confirmed (IgM in CSF)
19	Pos	Neg	Pos	Neg	ND	ND	Pos (551)	Pos (137)	15	Confirmed (IgM in CSF)
20	Pos	Neg	Pos	Neg	Pos	Pos	Pos (727)	Neg	7	Confirmed (IgM in CSF)
21	Pos	Neg	Pos	Pos	ND	ND	Pos (7,447)	Pos (590)	4	Confirmed (IgM in CSF)
22	Pos	Pos	Pos	Pos	ND	ND	Pos (551)	Neg	11	Confirmed (IgM in CSF)
23	Pos	Pos	Pos	Pos	ND	ND	Pos (137)	Pos (95,249)	13	Confirmed (IgM in CSF)
24	Pos	Neg	Pos	Neg	ND	ND	Pos (1,105)	Pos (582,356)	3	Confirmed (IgM in CSF)
25	Pos	Neg	Pos	Neg	Pos	Neg	Pos (45)	Neg	6	Confirmed (IgM in CSF)
26	Pos	Pos	Pos	Pos	ND	ND	Pos (6,524)	Neg	6	Confirmed (IgM in CSF)
27	Pos	Neg	Pos	Neg	ND	ND	Pos (52,332)	Pos (16,819)	13	Confirmed (IgM in CSF)
28	Pos	Neg	Pos	Neg	ND	ND	Pos (1,244)	Pos (68,662)	11	Confirmed (IgM in CSF)
29	Pos	Neg	Pos	Neg	ND	ND	Pos (472,561)	Pos (216,706,927)	8	Confirmed (IgM in CSF)
30	Pos	Neg	Pos	Neg	Pos	Pos	Pos (884)	Pos (30,400)	10	Confirmed (IgM in CSF)
31	Pos	Pos	ND	ND	ND	ND	Pos (138)	Neg	35	Confirmed (IgM in CSF)
32	Pos	Neg	ND	ND	ND	ND	Pos (16,702)	Neg	6	Confirmed (IgM in CSF)
33	Pos	Neg	Pos	Neg	ND	ND	Pos (1)	Pos (58)	13	Confirmed (IgM in CSF)
34	Pos	Pos	Pos	Pos	ND	ND	Pos (48)	Pos (1,381)	19	Confirmed (IgM in CSF)

^aPos, positive; Neg, negative; ND, not preformed; WB, whole blood.