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Table 1 Frequency of cagA and vacA genotypes in clinical isolates of H. pylori from patients with chronic gastritis

From: CagL polymorphisms D58/K59 are predominant in Helicobacter pylori strains isolated from Mexican patients with chronic gastritis

 

cagA

Positive

Negative

n = 36 (100%)

n = 14 (100%)

vacA

 s1/m1

34 (94.4%)

6 (42.9%)

 s1/m2

1 (2.8%)

0

 s2/m2

1 (2.8%)

8 (57.1%)