Research Article

vacA Genotype Status of Helicobacter pylori Isolated from Foods with Animal Origin

Table 3

Distribution of vacA genotypes in Helicobacter pylori strains of meat and milk samples.

Types of samples (number of positive results)Distribution of vacA genotypes (%)
s1as1bs1cs2m1am1bm2

Cow milk (25)201814919178
Sheep milk (35)32231612272010
Goat milk (15)1210851094
Buffalo milk (12)10857882
Camel milk (5)54—233—
Total raw milk (92)79 (85.86)63 (68.47)43 (46.73)35 (38.04)67 (72.82)57 (61.95)24 (26.08)
Cow meat (25)2219141020199
Sheep meat (37)34262013292113
Goat meat (22)191511817167
Buffalo meat (14)119691095
Camel meat (7)6513331
Total raw meat (105)92 (87.61)74 (70.47)52 (49.52)43 (40.95)89 (84.76)68 (64.76)35 (33.33)
Total (197)171 (86.80)137 (69.54)95 (48.22)78 (39.59)156 (79.18)125 (63.45)59 (29.94)