TABLE 1 .

Summary of POWV serologic data for arbovirus encephalitis panel sample set^a

Sample no.	Result for assay:
	TBE-C EIA IgM	POWV IFA IgM	TBE-C EIA IgG	POWV IFA IgG	POWV PRNT90 titer
1	+	NDb	ND	≥1:40	1:5,120
2	+	ND	+	≥1:40	1:640
3	+	ND	+	≥1:40	1:2,560
4	ND	≥1:20	+	≥1:40	1:320
5	+	≥1:20	ND	≥1:40	1:5,120
6	ND	≥1:20	+	≥1:100	1:10,240
7	+	ND	+	≥1:100	1:40,960
8	ND	ND	ND	ND	1:20
9	+	≥1:20	ND	≥1:40	1:20

^aOverall POWV results were as follows: n = 9 (8 positive, 1 negative) and overall test panel sensitivity of 89%.

^bND, not detected at screening dilutions of 1:101 for TBE-C EIA, 1:20 for POWV IgM IFA, and 1:40 for POWV IgG IFA.