Favipiravir versus Arbidol for COVID-19: A Randomized Clinical Trial Chang Chen, Yi Zhang, Jianying Huang, Ping Yin, Zhenshun Cheng, Jianyuan Wu, Song Chen, Yongxi Zhang, Bo Chen, Mengxin Lu, Yongwen Luo, Lingao Ju, Jingyi Zhang, View ORCID ProfileXinghuan Wang