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Au, Gough G.; Marsh, Glenn A.; McAuley, Alexander J.; Lowther, Suzanne; Trinidad, Lee; Edwards, Sarah; Todd, Shawn; Barr, Jennifer; Bruce, Matthew P.; Poole, Timothy B.; Brown, Sheree; Layton, Rachel; Riddell, Sarah; Rowe, Brenton; Soldani, Elisha; Suen, Willy W.; Bergfeld, Jemma; Bingham, John; Payne, Jean; Durr, Peter A.; Drew, Trevor W.; Vasan, Seshadri S.

Characterisation and natural progression of SARS-CoV-2 infection in ferrets

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  • Medientyp: E-Artikel
  • Titel: Characterisation and natural progression of SARS-CoV-2 infection in ferrets
  • Beteiligte: Au, Gough G.; Marsh, Glenn A.; McAuley, Alexander J.; Lowther, Suzanne; Trinidad, Lee; Edwards, Sarah; Todd, Shawn; Barr, Jennifer; Bruce, Matthew P.; Poole, Timothy B.; Brown, Sheree; Layton, Rachel; Riddell, Sarah; Rowe, Brenton; Soldani, Elisha; Suen, Willy W.; Bergfeld, Jemma; Bingham, John; Payne, Jean; Durr, Peter A.; Drew, Trevor W.; Vasan, Seshadri S.
  • Erschienen: Springer Science and Business Media LLC, 2022
  • Erschienen in: Scientific Reports, 12 (2022) 1
  • Sprache: Englisch
  • DOI: 10.1038/s41598-022-08431-6
  • ISSN: 2045-2322
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: AbstractSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is responsible for the infectious disease COVID-19, which has rapidly become an international pandemic with significant impact on healthcare systems and the global economy. To assist antiviral therapy and vaccine development efforts, we performed a natural history/time course study of SARS-CoV-2 infection in ferrets to characterise and assess the suitability of this animal model. Ten ferrets of each sex were challenged intranasally with 4.64 × 104 TCID50 of SARS-CoV-2 isolate Australia/VIC01/2020 and monitored for clinical disease signs, viral shedding, and tissues collected post-mortem for histopathological and virological assessment at set intervals. We found that SARS-CoV-2 replicated in the upper respiratory tract of ferrets with consistent viral shedding in nasal wash samples and oral swab samples up until day 9. Infectious SARS-CoV-2 was recovered from nasal washes, oral swabs, nasal turbinates, pharynx, and olfactory bulb samples within 3–7 days post-challenge; however, only viral RNA was detected by qRT-PCR in samples collected from the trachea, lung, and parts of the gastrointestinal tract. Viral antigen was seen exclusively in nasal epithelium and associated sloughed cells and draining lymph nodes upon immunohistochemical staining. Due to the absence of clinical signs after viral challenge, our ferret model is appropriate for studying asymptomatic SARS-CoV-2 infections and most suitable for use in vaccine efficacy studies.
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