Helicobacter pylori: prevalence in indian context

H.pylori is agram negative bacterium capable of colonizing human stomach, associated with gastritis, gastric ulcer, duodenal ulcer and gastric cancer. The exact mechanism of H.pylori transmission is still unclear. On a global scale, prevalence of H.pylori was more than 50% and omnipresent in its distribution. Prevalence of H.pylori infection in India ranges from 49.94% - 83.30%. The possible mode of transmission is through oral – oral, faecal – oral, gastro to oral. The probable risk factors studied include smoking, alcohol, diet, water borne exposure, density / overcrowding and social factors.