title: The globe-trotting microbe in your gut.
authors.forename: Thomas
authors.initials: T
authors.lastname: Hayden
mesh_terms: D005075:Biological Evolution; D004064:Digestive System / Q000382:microbiology*; D016480:Helicobacter pylori / Q000145:classification / Q000235:genetics / Q000302:isolation & purification* / Q000472:pathogenicity; D006801:Humans; D009369:Neoplasms / Q000382:microbiology; D014195:Travel; D014456:Ulcer / Q000382:microbiology