世界上超过半数的人感染幽门螺杆菌,更有一些有趣的数字表明,在西方国家,幽门螺杆菌的感染率是和年龄是大致平行的,也就是说在20岁的人中大约有20%的人感染,60岁的人中大约有60%的人感染。2001～2004年,中华医学会全国幽门螺杆菌学组,在我国自然人群中组织了一次幽门螺杆菌感染的流行病学调查。此次调查的自然人群涉及到全国19个省、10个城市、 More than half of the world’s people are infected with Helicobacter pylori, and some interesting figures show that in Western countries, the infection rate of Helicobacter pylori is roughly parallel with age, which means that about 20% Of people infected, about 60% of people in their 60s are infected. From 2001 to 2004, the Chinese Medical Association National Helicobacter pylori group organized an epidemiological investigation of Helicobacter pylori infection in our natural population. The natural population of the survey involves 19 provinces and 10 cities nationwide,