Volume 10, Number 3—March 2004
Dispatch
Tick-borne Encephalitis in Southern Norway
Péter A. Csángó*
, Ellef Blakstad†, Georges C. Kirtz‡, Judith E. Pedersen*, and Brigitte Czettel‡
, Ellef Blakstad†, Georges C. Kirtz‡, Judith E. Pedersen*, and Brigitte Czettel‡
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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