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        Helicobacter pylori and Food Products: A Public Health Problem

        互联网

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        Helicobacter pylori is a major human pathogen causing gastritis and chronic superficial infection (CSG). It colonizes the stomach of more than 50% of humans and causes disease (1 ). This microorganism is associated with the gastric antral epithelium in patients with active chronic gastritis, peptic (gastric) or duodenal ulcers, and gastric adenocarcinoma (2 4 ) H. pylori is present in feces, sewage, and water (5 ) but is killed by routine chlorination. Therefore, in developing countries (6 ), consumption of sewage-contaminated drinking water and vegetables may pose a risk (7 ); properly cooking foods and chlorinating water reduces the risk of transmitting H. pylori to humans (see Note 1 ). In South America the consumption of raw vegetables fertilized with human feces has been found to be a risk factor for infection, and consumption of water from a municipal supply has been suggested as a risk factor for children (8 ).
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