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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 “≤”