ChAdOx1 nCoV-19 (AZD1222) vaccine candidate significantly reduces SARS-CoV-2 shedding in ferrets

Abstract Vaccines against SARS-CoV-2 are likely to be critical in the management of the ongoing pandemic. A number of candidates are in Phase III human clinical trials, including ChAdOx1 nCoV-19 (AZD1222), a replication-deficient chimpanzee adenovirus-vectored vaccine candidate. In preclinical trial...

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Autores principales: Glenn A. Marsh, Alexander J. McAuley, Gough G. Au, Sarah Riddell, Daniel Layton, Nagendrakumar B. Singanallur, Rachel Layton, Jean Payne, Peter A. Durr, Hannah Bender, Jennifer A. Barr, John Bingham, Victoria Boyd, Sheree Brown, Matthew P. Bruce, Kathie Burkett, Teresa Eastwood, Sarah Edwards, Tamara Gough, Kim Halpin, Jenni Harper, Clare Holmes, William S. J. Horman, Petrus Jansen van Vuren, Suzanne Lowther, Kate Maynard, Kristen D. McAuley, Matthew J. Neave, Timothy Poole, Christina Rootes, Brenton Rowe, Elisha Soldani, Vittoria Stevens, Cameron R. Stewart, Willy W. Suen, Mary Tachedjian, Shawn Todd, Lee Trinidad, Duane Walter, Naomi Watson, Trevor W. Drew, Sarah C. Gilbert, Teresa Lambe, S. S. Vasan
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Publicado: Nature Portfolio 2021
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spelling oai:doaj.org-article:50b66ce00589424eb554445061a674842021-12-02T15:36:30ZChAdOx1 nCoV-19 (AZD1222) vaccine candidate significantly reduces SARS-CoV-2 shedding in ferrets10.1038/s41541-021-00315-62059-0105https://doaj.org/article/50b66ce00589424eb554445061a674842021-05-01T00:00:00Zhttps://doi.org/10.1038/s41541-021-00315-6https://doaj.org/toc/2059-0105Abstract Vaccines against SARS-CoV-2 are likely to be critical in the management of the ongoing pandemic. A number of candidates are in Phase III human clinical trials, including ChAdOx1 nCoV-19 (AZD1222), a replication-deficient chimpanzee adenovirus-vectored vaccine candidate. In preclinical trials, the efficacy of ChAdOx1 nCoV-19 against SARS-CoV-2 challenge was evaluated in a ferret model of infection. Groups of ferrets received either prime-only or prime-boost administration of ChAdOx1 nCoV-19 via the intramuscular or intranasal route. All ChAdOx1 nCoV-19 administration combinations resulted in significant reductions in viral loads in nasal-wash and oral swab samples. No vaccine-associated adverse events were observed associated with the ChAdOx1 nCoV-19 candidate, with the data from this study suggesting it could be an effective and safe vaccine against COVID-19. Our study also indicates the potential for intranasal administration as a way to further improve the efficacy of this leading vaccine candidate.Glenn A. MarshAlexander J. McAuleyGough G. AuSarah RiddellDaniel LaytonNagendrakumar B. SinganallurRachel LaytonJean PaynePeter A. DurrHannah BenderJennifer A. BarrJohn BinghamVictoria BoydSheree BrownMatthew P. BruceKathie BurkettTeresa EastwoodSarah EdwardsTamara GoughKim HalpinJenni HarperClare HolmesWilliam S. J. HormanPetrus Jansen van VurenSuzanne LowtherKate MaynardKristen D. McAuleyMatthew J. NeaveTimothy PooleChristina RootesBrenton RoweElisha SoldaniVittoria StevensCameron R. StewartWilly W. SuenMary TachedjianShawn ToddLee TrinidadDuane WalterNaomi WatsonTrevor W. DrewSarah C. GilbertTeresa LambeS. S. VasanNature PortfolioarticleImmunologic diseases. AllergyRC581-607Neoplasms. Tumors. Oncology. Including cancer and carcinogensRC254-282ENnpj Vaccines, Vol 6, Iss 1, Pp 1-8 (2021)
institution DOAJ
collection DOAJ
language EN
topic Immunologic diseases. Allergy
RC581-607
Neoplasms. Tumors. Oncology. Including cancer and carcinogens
RC254-282
spellingShingle Immunologic diseases. Allergy
RC581-607
Neoplasms. Tumors. Oncology. Including cancer and carcinogens
RC254-282
Glenn A. Marsh
Alexander J. McAuley
Gough G. Au
Sarah Riddell
Daniel Layton
Nagendrakumar B. Singanallur
Rachel Layton
Jean Payne
Peter A. Durr
Hannah Bender
Jennifer A. Barr
John Bingham
Victoria Boyd
Sheree Brown
Matthew P. Bruce
Kathie Burkett
Teresa Eastwood
Sarah Edwards
Tamara Gough
Kim Halpin
Jenni Harper
Clare Holmes
William S. J. Horman
Petrus Jansen van Vuren
Suzanne Lowther
Kate Maynard
Kristen D. McAuley
Matthew J. Neave
Timothy Poole
Christina Rootes
Brenton Rowe
Elisha Soldani
Vittoria Stevens
Cameron R. Stewart
Willy W. Suen
Mary Tachedjian
Shawn Todd
Lee Trinidad
Duane Walter
Naomi Watson
Trevor W. Drew
Sarah C. Gilbert
Teresa Lambe
S. S. Vasan
ChAdOx1 nCoV-19 (AZD1222) vaccine candidate significantly reduces SARS-CoV-2 shedding in ferrets
description Abstract Vaccines against SARS-CoV-2 are likely to be critical in the management of the ongoing pandemic. A number of candidates are in Phase III human clinical trials, including ChAdOx1 nCoV-19 (AZD1222), a replication-deficient chimpanzee adenovirus-vectored vaccine candidate. In preclinical trials, the efficacy of ChAdOx1 nCoV-19 against SARS-CoV-2 challenge was evaluated in a ferret model of infection. Groups of ferrets received either prime-only or prime-boost administration of ChAdOx1 nCoV-19 via the intramuscular or intranasal route. All ChAdOx1 nCoV-19 administration combinations resulted in significant reductions in viral loads in nasal-wash and oral swab samples. No vaccine-associated adverse events were observed associated with the ChAdOx1 nCoV-19 candidate, with the data from this study suggesting it could be an effective and safe vaccine against COVID-19. Our study also indicates the potential for intranasal administration as a way to further improve the efficacy of this leading vaccine candidate.
format article
author Glenn A. Marsh
Alexander J. McAuley
Gough G. Au
Sarah Riddell
Daniel Layton
Nagendrakumar B. Singanallur
Rachel Layton
Jean Payne
Peter A. Durr
Hannah Bender
Jennifer A. Barr
John Bingham
Victoria Boyd
Sheree Brown
Matthew P. Bruce
Kathie Burkett
Teresa Eastwood
Sarah Edwards
Tamara Gough
Kim Halpin
Jenni Harper
Clare Holmes
William S. J. Horman
Petrus Jansen van Vuren
Suzanne Lowther
Kate Maynard
Kristen D. McAuley
Matthew J. Neave
Timothy Poole
Christina Rootes
Brenton Rowe
Elisha Soldani
Vittoria Stevens
Cameron R. Stewart
Willy W. Suen
Mary Tachedjian
Shawn Todd
Lee Trinidad
Duane Walter
Naomi Watson
Trevor W. Drew
Sarah C. Gilbert
Teresa Lambe
S. S. Vasan
author_facet Glenn A. Marsh
Alexander J. McAuley
Gough G. Au
Sarah Riddell
Daniel Layton
Nagendrakumar B. Singanallur
Rachel Layton
Jean Payne
Peter A. Durr
Hannah Bender
Jennifer A. Barr
John Bingham
Victoria Boyd
Sheree Brown
Matthew P. Bruce
Kathie Burkett
Teresa Eastwood
Sarah Edwards
Tamara Gough
Kim Halpin
Jenni Harper
Clare Holmes
William S. J. Horman
Petrus Jansen van Vuren
Suzanne Lowther
Kate Maynard
Kristen D. McAuley
Matthew J. Neave
Timothy Poole
Christina Rootes
Brenton Rowe
Elisha Soldani
Vittoria Stevens
Cameron R. Stewart
Willy W. Suen
Mary Tachedjian
Shawn Todd
Lee Trinidad
Duane Walter
Naomi Watson
Trevor W. Drew
Sarah C. Gilbert
Teresa Lambe
S. S. Vasan
author_sort Glenn A. Marsh
title ChAdOx1 nCoV-19 (AZD1222) vaccine candidate significantly reduces SARS-CoV-2 shedding in ferrets
title_short ChAdOx1 nCoV-19 (AZD1222) vaccine candidate significantly reduces SARS-CoV-2 shedding in ferrets
title_full ChAdOx1 nCoV-19 (AZD1222) vaccine candidate significantly reduces SARS-CoV-2 shedding in ferrets
title_fullStr ChAdOx1 nCoV-19 (AZD1222) vaccine candidate significantly reduces SARS-CoV-2 shedding in ferrets
title_full_unstemmed ChAdOx1 nCoV-19 (AZD1222) vaccine candidate significantly reduces SARS-CoV-2 shedding in ferrets
title_sort chadox1 ncov-19 (azd1222) vaccine candidate significantly reduces sars-cov-2 shedding in ferrets
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/50b66ce00589424eb554445061a67484
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