TABLE 4.

Focus WNV ELISA IgM results for non-WNV sera^a

Panel	n	No. of results (%)
		Focus IgM ELISA			Focus IgM ELISA with BS
		Positive	Negative	Equivocal	Positive	Negative	Equivocal
Blood donor	236	2 (0.8)	234 (99.2)	0	0	236 (100)	0
Flavivirus
JE virus	40	2 (5)	36 (90)	2 (5)	2 (5)	38 (95)	0
Dengue virus	19	4 (21)	10 (53)	5 (26)	3 (16)	12 (63)	4 (21)
SLE virus	32	10 (31)	21 (66)	1 (3)	ND	ND	ND
YF virus	40	0	40 (100)	0	ND	ND	ND
Total	131	16 (12)	107 (82)	8 (6)
Autoimmune
ANA	20	1 (5)	19 (95)	0 (0)	0	20 (100)	0
RF	21	4 (19)	17 (81)	0 (0)	0	21 (100)	0
Total	41	5 (12)	36 (88)	5 (12)	0	41 (100)	0
IgM panel
CMV	14	1 (7)	13 (93)	0	0	14 (100)	0
EBV	19	0	19 (100)	0	0	19 (100)	0
HSV	20	1 (5)	18 (90)	1 (5)	0	20 (100)	0
B. burgdorferi	20	1 (5)	19 (95)	0	0	20 (100)	0
Total	79	3 (3.8)	75 (94.9)	1 (1.3)	0	79 (100)	0

^aSee Table 1, footnote a.