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Volume 10, Number 3—March 2004

Dispatch

Tick-borne Encephalitis in Southern Norway

Péter A. Csángó*Comments to Author , Ellef Blakstad†, Georges C. Kirtz‡, Judith E. Pedersen*, and Brigitte Czettel‡
Author affiliations: *Vest-Agder Hospital, Kristiansand, Norway; †Norwegian Veterinary Association, Oslo, Norway; ‡InVitro, Labor für Veterinärmedizinische Diagnostik und Hygiene GmbH, Vienna, Austria

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Table 2

Distribution of positive canine serum specimensa

EIA-E U
>450 N EIA-E U
>100–<450 N EIA-E U
>11–<100 N
B-I titer

B-I titer

B-I titer

3,200
1
3,200
0
3,200
0
1,600
5
1,600
0
1,600
0
800
5
800
0
800
0
400
18
400
4
400
0
200
12
200
2
200
1
100
3
100
3
100
3
Total 44 9 4

aPositive by enzyme immunoassay E-test (EIA-E) and confirmed by a second test (enzyme immunoassay Baxter-Immuno [EIA-BI]). In five cases, we had two or more serum specimens with high positive results. All these samples were tested by both enzyme-linked immunosorbent assay techniques.

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