幽们螺旋菌(HP)与胃炎、胃十二指肠溃疡之间的关系早已众所周知,近年世界各国又对HP与胃癌之间的关系产生了浓厚兴趣,试图由此寻找防治胃癌的途径,本文就其流行病学研究现状做一介绍。1.世界各国HP感染发生率Sitas等报告英国HP抗体阳性率或HP检出率为56.9%,其中上层社会为49.2%%,下层社会62.2%。Maaroos统计前苏联则为73%,其中15～19岁为58%,20～29岁高达 The relationship between Helicobacter pylori (HP) and gastritis and gastroduodenal ulcer has long been known. In recent years, countries around the world have developed a keen interest in the relationship between HP and gastric cancer, and sought to find ways to prevent and treat gastric cancer. Give an introduction to the current status of epidemiological research. 1. The incidence rate of HP infection in the world Sitas et al. reported that the UK positive rate of HP antibody or HP detection rate was 56.9%, of which the upper society was 49.2% and the lower society was 62.2%. Maaroos statistics for the former Soviet Union was 73%, of which 15 to 19 years old was 58%, 20 to 29 years old