Skip to main content

Advertisement

Table 1 Phage types and vtx gene possession of the 509 E. coli O157 isolates from the 88 E. coli O157 positive study farms.

From: Herd-level risk factors associated with the presence of Phage type 21/28 E. coli O157 on Scottish cattle farms

Phage Type Number of vtx1 Positive Isolates Number of vtx2 Positive Isolates Total Number of Isolates % of Characterized Isolates
21/28 0 257 257 (50) 50.5
32 0 85 85 (26) 16.7
8 48 47 51 (9) 10.0
2 0 50 50 (8) 9.9
34 0 22 22 (1) 4.3
33 0 7 7 (1) 1.4
4 0 6 6 (3) 1.2
31 0 2 5 (2) 1.0
49 0 2 2 (2) 0.4
54 0 2 2 (1) 0.4
14 0 1 1 (1) 0.2
RDNC* 1 18 18 (4) 3.5
Untypable 0 0 3 (2) 0.6
Total Isolates 49 499 509   
  1. Figures in brackets indicate the number of farms on which the isolates of each phage type were found. * Phages Reacted but Did Not Conform to any known pattern