Safety and immunogenicity of a live-attenuated influenza virus vector-based intranasal SARS-CoV-2 vaccine in adults: randomised, double-blind, placebo-controlled, phase 1 and 2 trials

Fengcai Zhu, Chunlan Zhuang, Kai Chu, Liang Zhang, Hui Zhao, Shoujie Huang, Yingying Su, Hong‐Yan Lin, Changlin Yang, Han-Min Jiang, Xia Zang, Donglin Liu, Hongxing Pan, Yuemei Hu, Xiaohui Liu, Qi Chen, Qiaoqiao Song, Jiali Quan, Zehong Huang, Guohua Zhong, Junyu Chen, Jinle Han, Hong Sun, Lunbiao Cui, Jingxin Li, Yixin Chen, Tianying Zhang, Xiangzhong Ye, Changgui Li, Ting Wu, Jun Zhang, Ningshao Xia