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. 1993 Dec;34(12):1681-2.
doi: 10.1136/gut.34.12.1681.

When is Helicobacter pylori infection acquired?

D J Cullen  1 , B J Collins, K J Christiansen, J Epis, J R Warren, I Surveyor, K J Cullen
Affiliations

When is Helicobacter pylori infection acquired?

D J Cullen et al. Gut. 1993 Dec.

Abstract

Cross sectional surveys have shown an increasing prevalence of Helicobacter pylori (H pylori) infection with increasing age in Western populations. The aim of this study was to examine the pattern of acquisition of H pylori infection over a 21 year period in a group of 141 adults who had blood samples and serum stored in 1969, 1978, and 1990. A prevalence of H pylori antibody of 39% in 1969 serum samples, 40.9% in 1978, and 34.8% in 1990 was found when assessed by an enzyme linked immunosorbent assay (ELISA). Of the 86 subjects who were seronegative in 1969, only six (7%) were seropositive in 1990. These data suggest that a cohort effect may contribute to the pattern of increasing prevalence of H pylori infection seen with increasing age. Acquisition of infection in adults is rare. It is unlikely, therefore, that reinfection will occur after successful eradication.

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