Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=32884153&cmd=llinks): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 215
Ad26 vaccine protects against SARS-CoV-2 severe clinical disease in hamsters #MMPMID32884153
Tostanoski LH; Wegmann F; Martinot AJ; Loos C; McMahan K; Mercado NB; Yu J; Chan CN; Bondoc S; Starke CE; Nekorchuk M; Busman-Sahay K; Piedra-Mora C; Wrijil LM; Ducat S; Custers J; Atyeo C; Fischinger S; Burke JS; Feldman J; Hauser BM; Caradonna TM; Bondzie EA; Dagotto G; Gebre MS; Jacob-Dolan C; Lin Z; Mahrokhian SH; Nampanya F; Nityanandam R; Pessaint L; Porto M; Ali V; Benetiene D; Tevi K; Andersen H; Lewis MG; Schmidt AG; Lauffenburger DA; Alter G; Estes JD; Schuitemaker H; Zahn R; Barouch DH
Nat Med 2020[Nov]; 26 (11): 1694-1700 PMID32884153show ga
Coronavirus disease 2019 (COVID-19) in humans is often a clinically mild illness, but some individuals develop severe pneumonia, respiratory failure and death(1-4). Studies of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in hamsters(5-7) and nonhuman primates(8-10) have generally reported mild clinical disease, and preclinical SARS-CoV-2 vaccine studies have demonstrated reduction of viral replication in the upper and lower respiratory tracts in nonhuman primates(11-13). Here we show that high-dose intranasal SARS-CoV-2 infection in hamsters results in severe clinical disease, including high levels of virus replication in tissues, extensive pneumonia, weight loss and mortality in a subset of animals. A single immunization with an adenovirus serotype 26 vector-based vaccine expressing a stabilized SARS-CoV-2 spike protein elicited binding and neutralizing antibody responses and protected against SARS-CoV-2-induced weight loss, pneumonia and mortality. These data demonstrate vaccine protection against SARS-CoV-2 clinical disease. This model should prove useful for preclinical studies of SARS-CoV-2 vaccines, therapeutics and pathogenesis.