Helicobacter pylori induces chronic inflammation of the underlying gastric mucosa causing gastritis and other complications. H. pylori infection once acquired is believed to persist lifelong unless treated. This is a cross-sectional epidemiological study to find the prevalence of the infection in asymptomatic healthy blood donors attending the SVMCHRC blood bank, Puducherry. | Seroprevalence of helicobacter pylori among healthy blood donors