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Table 2 The frequency of vacA genotypes in Helicobacter pylori of ruminants and human samples

From: Study of Helicobacter pylori genotype status in cows, sheep, goats and human beings

Positive samples

s1a/m1a

s1a/m1b

s1a/m2

s1b/m1a

s1b/m1b

s1b/m2

s1c/m1a

s1c/m1b

s1c/m2

s2/m1a

s2/m1b

s2/m2

Cow

2

0

3

0

0

1

0

0

0

0

0

0

6 (3%)

(33.33%)

 

(50%)

  

(16.66%)

      

Sheep

6

0

10

5

0

6

0

0

0

1

0

4

32 (16%)

(18.75%)

 

(31.25%)

(15.62%)

 

(18.75%)

   

(3.12%)

 

(12.5%)

Human

27

8

45

7

5

10

12

4

18

6

0

22

164 (82%)

(16.46%)

(4.87%)

(27.43%)

(4.26%)

(3.04%)

(6.09%)

(7.31%)

(2.43%)

(10.97%)

(3.65%)

 

(13.41%)