Author: Wu, Shipo; Zhong, Gongxun; Zhang, Jun; Shuai, Lei; Zhang, Zhe; Wen, Zhiyuan; Wang, Busen; Zhao, Zhenghao; Song, Xiaohong; Chen, Yi; Liu, Renqiang; Fu, Ling; Zhang, Jinlong; Guo, Qiang; Wang, Chong; Yang, Yilong; Fang, Ting; Lv, Peng; Wang, Jinliang; Xu, Junjie; Li, Jianmin; Yu, Changming; Hou, Lihua; Bu, Zhigao; Chen, Wei
Title: A single dose of an adenovirus-vectored vaccine provides protection against SARS-CoV-2 challenge Cord-id: 676mm2ut Document date: 2020_8_14
ID: 676mm2ut
Snippet: The unprecedented coronavirus disease 2019 (COVID-19) epidemic has created a worldwide public health emergency, and there is an urgent need to develop an effective vaccine to control this severe infectious disease. Here, we find that a single vaccination with a replication-defective human type 5 adenovirus encoding the SARS-CoV-2 spike protein (Ad5-nCoV) protect mice completely against mouse-adapted SARS-CoV-2 infection in the upper and lower respiratory tracts. Additionally, a single vaccinatio
Document: The unprecedented coronavirus disease 2019 (COVID-19) epidemic has created a worldwide public health emergency, and there is an urgent need to develop an effective vaccine to control this severe infectious disease. Here, we find that a single vaccination with a replication-defective human type 5 adenovirus encoding the SARS-CoV-2 spike protein (Ad5-nCoV) protect mice completely against mouse-adapted SARS-CoV-2 infection in the upper and lower respiratory tracts. Additionally, a single vaccination with Ad5-nCoV protects ferrets from wild-type SARS-CoV-2 infection in the upper respiratory tract. This study suggests that the mucosal vaccination may provide a desirable protective efficacy and this delivery mode is worth further investigation in human clinical trials.
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