Scientists analyzed the tummy of a 5,300-year-old ice mummy and found bacteria that many modern humans still carry.
Ötzi the Iceman's Stomach Bacteria Offers Clues on Human Migration - The New York Times
Oetzi the Iceman had a stomach bug, researchers say - BBC News
Life and Diseases of the Neolithic Glacier Mummy “Ötzi”
New study on Otzi the Iceman reveals humanity's intimate affair with one microbe - The Washington Post
Iceman's Gut Holds Clues to Humans' Spread into Europe
Meet Ötzi the Iceman: An Interview 5,300 Years in the Making
Otzi The Iceman - Crystalinks
Weapons reveal how this 5,300-year-old ice mummy lived -- and died
Ancient Microbiome from Gut of Iceman Analyzed - BioTechniques
Iceman mummy reveals new clues about stomach bacteria - Brainerd Dispatch
PDF) Ancient bacteria of the Ötzi's microbiome: a genomic tale from the Copper Age