Did new transmission cycles in anthropogenic, dense, host populations encourage the emergence and speciation of pathogenic Bordetella?

• Kalyan K. Dewan ,

  * E-mail: kaldew@uga.edu

  Affiliation Department of Infectious Disease, College of Veterinary Medicine, University of Georgia, Athens, Georgia, United States of America

  http://orcid.org/0000-0001-9847-0286

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• Eric T. Harvill

  Affiliation Department of Infectious Disease, College of Veterinary Medicine, University of Georgia, Athens, Georgia, United States of America

  http://orcid.org/0000-0001-8893-2133

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