Percent of world population infected by Helicobacter pylori

Value 50 %
Organism Human Homo sapiens
Reference Tomb et al., The complete genome sequence of the gastric pathogen Helicobacter pylori. Nature. 1997 Aug 7 388(6642):539-47. p. 540 left column, second paragraph from bottomPubMed ID9252185
Primary Source Cover TL, Blaser MJ. Helicobacter pylori infection, a paradigm for chronic mucosal inflammation: pathogenesis and implications for eradication and prevention. Adv Intern Med. 1996 41 :85-117.PubMed ID8903587
Comments Helicobacter pylori is a micro-aerophilic, Gram-negative, slow growing, spiral-shaped and flagellated organism. Its most characteristic enzyme is a potent multisubunit urease (Mobley et al., 1995 PMID 7565414) that is crucial for its survival at acidic pH and for its successful colonization of the gastric environment, a site that few other microbes can colonize. H. pylori is probably the most common chronic bacterial infection of humans, present in almost half of the world population (primary source).
Entered by Uri M
ID 105496