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Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 NPJ+Vaccines 2021 ; 6 (1): 67 Nephropedia Template TP
Marsh GA; McAuley AJ; Au GG; Riddell S; Layton D; Singanallur NB; Layton R; Payne J; Durr PA; Bender H; Barr JA; Bingham J; Boyd V; Brown S; Bruce MP; Burkett K; Eastwood T; Edwards S; Gough T; Halpin K; Harper J; Holmes C; Horman WSJ; van Vuren PJ; Lowther S; Maynard K; McAuley KD; Neave MJ; Poole T; Rootes C; Rowe B; Soldani E; Stevens V; Stewart CR; Suen WW; Tachedjian M; Todd S; Trinidad L; Walter D; Watson N; Drew TW; Gilbert SC; Lambe T; Vasan SS
NPJ Vaccines 2021[May]; 6 (1): 67 PMID33972565show ga
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.