... Vietnam, several studies on H pylori infection in children have initially assessed the H pylori infection rates However, there remains a paucity of information on the H .pylori infection rates by ... long time Only until 1983, however, B Marshall and R Warren have successfully isolated and cultured Helicobacter pylori (H pylori) bacteria The results from this research have demonstrated the ... identifying the H pylori infection rate in children of major ethnic groups in Tay Nguyen, Vietnam 2/ The thesis had identified several factors relating to the H pylori infection in the study population...