About the Authors

Alison J. T. Harris

Contributed equally to this work with: Alison J. T. Harris, Vaughan Grimes

Roles Formal analysis, Funding acquisition, Investigation, Visualization, Writing – original draft, Writing – review & editing

alison@palaeome.org (AJTH); vgrimes@mun.ca (VG)

Current address: BioArCh, Department of Archaeology, University of York, York, United Kingdom

Affiliation Department of Archaeology, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada

Ana T. Duggan

Roles Writing – review & editing

‡ These authors also contributed equally to this work.

Affiliation McMaster Ancient DNA Centre, Department of Anthropology, McMaster University, Hamilton, Ontario, Canada

Stephanie Marciniak

Roles Writing – review & editing

Current address: Department of Anthropology, Pennsylvania State University, Pennsylvania, United States of America

‡ These authors also contributed equally to this work.

Affiliation McMaster Ancient DNA Centre, Department of Anthropology, McMaster University, Hamilton, Ontario, Canada

Ingeborg Marshall

Roles Conceptualization, Writing – review & editing

‡ These authors also contributed equally to this work.

Affiliation Institute of Social and Economic Research, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada

Benjamin T. Fuller

Roles Investigation, Writing – review & editing

Current address: Department of Archaeology and Heritage Studies, Aarhus University, Aarhus, Denmark

‡ These authors also contributed equally to this work.

Affiliation Keck Carbon Cycle Accelerator Mass Spectrometry Laboratory, Earth Systems Science Department, University of California Irvine, Irvine, California, United States of America

John Southon

Roles Writing – review & editing

‡ These authors also contributed equally to this work.

Affiliation Keck Carbon Cycle Accelerator Mass Spectrometry Laboratory, Earth Systems Science Department, University of California Irvine, Irvine, California, United States of America

Hendrik N. Poinar

Roles Funding acquisition, Writing – review & editing

‡ These authors also contributed equally to this work.

Affiliations McMaster Ancient DNA Centre, Department of Anthropology, McMaster University, Hamilton, Ontario, Canada, Michael D. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Ontario, Canada, Humans & the Microbiome Program, Canadian Institute for Advanced Research, Toronto, Ontario, Canada

Vaughan Grimes

Contributed equally to this work with: Alison J. T. Harris, Vaughan Grimes

Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Project administration, Supervision, Writing – review & editing

alison@palaeome.org (AJTH); vgrimes@mun.ca (VG)

Affiliations Department of Archaeology, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada, Department of Earth Sciences, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada

Competing Interests

The authors have declared that no competing interests exist.