Helicobacter Pylori (H. pylori) (cont.)
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Helicobacter Pylori (H. pylori) Causes
While the exact mode of transmission H. pylori is not known, it seems to be spread from person to person by saliva, and most people who are infected become infected as children. It also has the potential to be spread by fecal contamination. This may explain why the rate of infection is so high in poorer countries and in socio-economic groups characterized by crowded living conditions, poor sanitary conditions, and lack of clean water. Personal hygiene is also very important since food preparers who may not perform adequate hand washing may be potential sources of infection.
As mentioned above, most people who become infected do so in childhood. After being ingested, the bacteria burrow through the protective mucosa that lines the stomach to attach to deeper layers of the stomach, where they can reside for years without causing symptoms.
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