Safety, immunogenicity and protection of heterologous boost with an aerosolised Ad5-nCoV after two-dose inactivated COVID-19 vaccines in adults: a multicentre, open-label phase 3 trial

Jingxin Li, Lihua Hou, Jin-Bo Gou, Zundong Yin, Shipo Wu, Fuzhen Wang, Zhe Zhang, Zhihang Peng, Tao Zhu, Hongbing Shen, Wei Chen, Fengcai Zhu, Siyue Jia, Rong Tang, Hongxing Pan, Li Zhang, Jia-Wei Xu, Jihai Tang, Qing Wang, Qing Xu, Yan Zheng, Tao Huang, Tao Li, Shujun Liu, Cang-Ning Wang