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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 Nature 2020 ; 586 (7830): 583-588 Nephropedia Template TP
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Single-shot Ad26 vaccine protects against SARS-CoV-2 in rhesus macaques #MMPMID32731257
Mercado NB; Zahn R; Wegmann F; Loos C; Chandrashekar A; Yu J; Liu J; Peter L; McMahan K; Tostanoski LH; He X; Martinez DR; Rutten L; Bos R; van Manen D; Vellinga J; Custers J; Langedijk JP; Kwaks T; Bakkers MJG; Zuijdgeest D; Rosendahl Huber SK; Atyeo C; Fischinger S; Burke JS; Feldman J; Hauser BM; Caradonna TM; Bondzie EA; Dagotto G; Gebre MS; Hoffman E; Jacob-Dolan C; Kirilova M; Li Z; Lin Z; Mahrokhian SH; Maxfield LF; Nampanya F; Nityanandam R; Nkolola JP; Patel S; Ventura JD; Verrington K; Wan H; Pessaint L; Van Ry A; Blade K; Strasbaugh A; Cabus M; Brown R; Cook A; Zouantchangadou S; Teow E; Andersen H; Lewis MG; Cai Y; Chen B; Schmidt AG; Reeves RK; Baric RS; Lauffenburger DA; Alter G; Stoffels P; Mammen M; Van Hoof J; Schuitemaker H; Barouch DH
Nature 2020[Oct]; 586 (7830): 583-588 PMID32731257show ga
A safe and effective vaccine for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) may be required to end the coronavirus disease 2019 (COVID-19) pandemic(1-8). For global deployment and pandemic control, a vaccine that requires only a single immunization would be optimal. Here we show the immunogenicity and protective efficacy of a single dose of adenovirus serotype 26 (Ad26) vector-based vaccines expressing the SARS-CoV-2 spike (S) protein in non-human primates. Fifty-two rhesus macaques (Macaca mulatta) were immunized with Ad26 vectors that encoded S variants or sham control, and then challenged with SARS-CoV-2 by the intranasal and intratracheal routes(9,10). The optimal Ad26 vaccine induced robust neutralizing antibody responses and provided complete or near-complete protection in bronchoalveolar lavage and nasal swabs after SARS-CoV-2 challenge. Titres of vaccine-elicited neutralizing antibodies correlated with protective efficacy, suggesting an immune correlate of protection. These data demonstrate robust single-shot vaccine protection against SARS-CoV-2 in non-human primates. The optimal Ad26 vector-based vaccine for SARS-CoV-2, termed Ad26.COV2.S, is currently being evaluated in clinical trials.