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Table 2 Serotypes and virulence factors of eae positive STEC strains isolated from cattle in Switzerland (n = 21)

From: Serotypes, intimin variants and other virulence factors of eae positive Escherichia coli strains isolated from healthy cattle in Switzerland. Identification of a new intimin variant gene (eae-η2)

Serotype

No. of strains

stx

eae

ehxA

O5:H- b

1

stx 1

β1

+

O5:H- b

1

stx 1

β1

-

O26:H- b

1

stx2

β1

+

O26:H2 a,c

1

stx2

β1

-

O103:H2 b

9

stx 1

ε1

+

O103:H2 b

1

stx 1

ε1

-

O111:H21 a

1

stx 1

γ2/θ

+

O145:H- b

4

stx 1, stx 2

γ1

+

O145:H- b

1

stx2

γ1

+

O157:H7 b

1

stx 2

γ1

+

  1. a Serotypes previously found as human STEC strains
  2. b Serotypes previously associated with human STEC strains that caused HUS
  3. c Serotypes not yet reported within bovine STEC strains
  4. Serotypes that caused human outbreaks are in bold
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BMC Microbiology

ISSN: 1471-2180

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