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Sensitivity of rE2-based ICTSs with different swine serum samples
| No. | Serum background | Daya | No. of positive ICTSs | % positiveb by IDEXX ELISA | Total |
|---|---|---|---|---|---|
| 1 | LAV immunized | 0 | 3/4 | 17 | 4 |
| 2 | LAV immunized | 21 | 3/4 | 60 | 4 |
| 3 | LAV immunized | 42 | 4/4 | 81 | 4 |
| 4 | E2 vaccine immunized | 0 | 2/4 | 44 | 4 |
| 5 | E2 vaccine immunized | 21 | 4/4 | 83 | 4 |
| 6 | E2 vaccine immunized | 42 | 4/4 | 88 | 4 |
| 7 | Infected | 74 | 4/4 | 92 | 4 |
Day postvaccination when tested.
The percent blocking rate is the mean of four replicates (intra-assay variability).
