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H. pylori strains used in this study
| Name | Virulence traits | Reference |
|---|---|---|
| 60190 | vacA (s1a/m1) and cagA positive | [47] |
| 26695 | vacA (s1b/m1) and cagA positive | [63, 64]a |
| G27 | vacA (s1b/m1) and cagA positive | [65, 66]a |
| SS1 | vacA (s2/m2) and cagA positive | [63, 67] |
| SD4 | vacA and cagA positive | [68] |
aStrain has been sequenced
