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Table 2 Coefficients of antigenic similarity (R) between BDV and BVDV isolates

From: Influence of border disease virus (BDV) on serological surveillance within the bovine virus diarrhea (BVD) eradication program in Switzerland

BDV & BVDV isolates BDV Swiss-a BDV Swiss-b BDV−3 BDV-1a BVDV−1h BVDV−1e BVDV−1k BVDV−1b BVDV−1a BVDV−2a
BDSwiss-a 100 77.1 40.3 71.0 19.2 ≤ 2.3 ≤ 13.6 6.0 ≤ 2.2 4.8
BDSwiss-b   100 29.8 73.8 10.1 1.8 19.2 5.5 1.6 3.0
BDV-3    100 59.5 14.8 3.7 15.6 5.5 3.0 3.4
BDV-1a     100 20.1 4.8 ≤ 23.8 12.0 2.5 6.7
BVDV-1h      100 13.6 52.3 32.4 12.5 11.5
BVDV-1e       100 22.9 13.1 7.1 6.5
BVDV-1k        100 52.3 28.5 11.5
BVDV-1b         100 21.0 5.0
BVDV-1a          100 3.6
BVDV-2a           100
  1. R-Values ≤ 25 indicate significant antigenic differences between two isolates (in italics). For nondescript titers (≤ 14), the value of 14 was taken for calculation and, accordingly, the R-values are marked with “≤”