入射(几何)
医学
幽门螺杆菌
流行病学
幽门螺杆菌感染
卫生用品
人口
发达国家
免疫学
年轻人
儿科
人口学
环境卫生
内科学
病理
物理
社会学
光学
出处
期刊:PubMed
日期:1995-01-01
卷期号:9 Suppl 2: 45-51
被引量:153
摘要
Acute Helicobacter pylori infection invariably passes undetected. Consequently, the incidence of infection has been determined indirectly from epidemiological studies. In adults of industrialized countries, an estimated 0.5% of the susceptible population becomes infected each year. This incidence has been decreasing over time. Thus, adults who currently harbour the organism are more likely to have been infected in childhood than adulthood. The incidence of H. pylori infection continues to be high (between 3% and 10% per year) in developing countries. Throughout the world, incidence of H. pylori infection appears to be higher in children than in adults, possibly due to lower standards of personal hygiene in younger populations.
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