Bai, L., Zhao, Y., Dong, J. et al. Coinfection with influenza A virus enhances SARS-CoV-2 infectivity. Cell Res 31, 395–403 (2021). https://doi.org/10.1038/s41422-021-00473-1

Qiao J, Li YS, Zeng R, et al. SARS-CoV-2 Mpro inhibitors with antiviral activity in a transgenic mouse model. Science. 2021;371(6536):1374-1378. doi:10.1126/science.abf1611