How have H pylori preventive measures affected the incidence of chronic gastritis?

Updated: Jun 07, 2019
  • Author: Akiva J Marcus, MD, PhD; Chief Editor: BS Anand, MD  more...
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Well-defined preventive measures are not established. However, in the United States and in other countries with modern sanitation and clean water supplies, the rate of acquisition has been decreasing since 1950. In fact, the risk of H pylori infection in immigrants to the United States appears to be decreasing with each successive generation born in the United States. The rate of infection in people with several generations of their families living at a high socioeconomic status is in the range of 10%-15%. This is probably the lowest level to which prevalence can decline spontaneously until eradication or vaccination programs are instituted. [63, 65, 66]

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