{
  "name": "Published figures for bacteria and human cells in the body, 1972 to 2023",
  "desc": "Each published count or ratio with its year, the level at which the paper was read, and a qualifier.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Ants, Cells & Atoms",
  "url": "https://antscellsandatoms.com/scale/how-many-bacteria-in-the-human-body/",
  "from": [
    "values typed from the sources named in each row"
  ],
  "how": "Compiled by Ants, Cells & Atoms from the data listed",
  "data_by": [
    "Luckey TD 1972, The American Journal of Clinical Nutrition 25(12):1292-1294 (bibliographic record; derivation as traced in Sender 2016), https://doi.org/10.1093/ajcn/25.12.1292",
    "Savage DC 1977, Annual Review of Microbiology 31:107-133 (bibliographic record; as cited in Sender 2016), https://doi.org/10.1146/annurev.mi.31.100177.000543",
    "Bianconi E et al. 2013, Annals of Human Biology 40(6):463-471 (bibliographic record; figures as summarised in Sender 2016), https://doi.org/10.3109/03014460.2013.807878",
    "Rosner JL 2014, Microbe 9:47 (bibliographic record, as cited in Sender 2016)",
    "Sender R, Fuchs S, Milo R 2016, Cell 164(3):337-340 (bibliographic record), https://doi.org/10.1016/j.cell.2016.01.013",
    "Sender R, Fuchs S, Milo R 2016, PLoS Biology 14(8):e1002533, CC BY 4.0, https://doi.org/10.1371/journal.pbio.1002533 (retrieved 2026-10-24)",
    "Hatton IA et al. 2023, Proceedings of the National Academy of Sciences 120(39):e2303077120, CC BY 4.0, https://doi.org/10.1073/pnas.2303077120 (retrieved 2026-10-24)"
  ]
}