J Vet Sci.  2020 May;21(3):e51. 10.4142/jvs.2020.21.e51.

COVID-19 and veterinarians for one health, zoonotic- and reverse-zoonotic transmissions

  • 1Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
  • 2Department of Pathobiology, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL 61802, USA


A novel coronavirus emerged in human populations and spread rapidly to cause the global coronavirus disease 2019 pandemic. Although the origin of the associated virus (severe acute respiratory syndrome coronavirus 2 [SARS-CoV-2]) remains unclear, genetic evidence suggests that bats are a reservoir host of the virus, and pangolins are a probable intermediate. SARS-CoV-2 has crossed the species barrier to infect humans and other animal species, and infected humans can facilitate reverse-zoonotic transmission to animals. Considering the rapidly changing interconnections among people, animals, and ecosystems, traditional roles of veterinarians should evolve to include transdisciplinary roles.


COVID-19; SARS-CoV-2; coronavirus; zoonosis; transmission; one health; animal model; veterinarian
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