Table 2.
The frequency of cagA and vacA genotypes in human gastric biopsies and ruminant raw milk samples
| Species | Sample positive | cagA positive(%) |
vacA
s1a(%) |
vacA
s1b(%) |
vacA
s1c(%) |
vacA
s2(%) |
vacA
m1a(%) |
vacA
m1b(%) |
vacA
m2(%) |
|---|---|---|---|---|---|---|---|---|---|
| Human being | Gastric biopsy (82) | 76(92.7) | 32(39) | 10(12.2) | 13(15.8) | 33(32.9) | 22(26.8) | 6(7.3) | 54(65.8) |
| Cow | Raw milk (12) | 10(83.3) | 9(75) | 2(16.7) | 1(8.3) | - | 5(41.7) | - | 7(58.3) |
| Sheep | Raw milk (8) | 4(50) | 4(75) | 3(37.5) | - | 1(12.5) | - | 2(25) | 6(75) |
| Goat | Raw milk (2) | 2(100) | 1(50) | 1(50) | - | 1(50) | - | - | 2(100) |
| Camel | Raw milk (2) | 1(50) | 1(50) | - | 1(50) | - | - | 1(50) | 1(50) |
| Buffalo | Raw milk (4) | 3(75) | - | 2(50) | - | 2(50) | 3(75) | - | 1(25) |