• Callaway, E., 2021. Delta coronavirus variant:scientists brace for impact. Nature 595, 17-18.

  • Guo, W., Fu, Y., Jia, R.,, Guo, Z., Su, C., Li, J., Zhao, X., Jin, Y., Li, P., Fan, J., Zhang, C., Qu, P., Cui, H., Gao, S., Cheng, H., Li, J., Li, X., Lu, B., Xu, X., Wang, Z., 2022. Visualization of the infection risk assessment of SARS-CoV-2 through aerosol and surface transmission in a negative-pressure ward. Environ. Int. 162, 107153.

  • Guo, Z.D., Wang, Z.Y., Zhang, S.F., Li, X., Li, L., Li, C., Cui, Y., Fu, R.B., Dong, Y.Z., Chi, X.Y., Zhang, M.Y., Liu, K., Cao, C., Liu, B., Zhang, K., Gao, Y.W., Lu, B., Chen, W., 2020. Aerosol and surface distribution of severe acute respiratory syndrome coronavirus 2 in hospital wards, Wuhan, China, 2020. Emerg. Infect. Dis. 26, 1583-1591.

  • Liu, Y., Ning, Z., Chen, Y., Guo, M., Liu, Y., Gali, N.K., Sun, L., Duan, Y., Cai, J., Westerdahl, D., Liu, X., Xu, K., Ho, K.F., Kan, H., Fu, Q., Lan, K., 2020. Aerodynamic analysis of SARS-CoV-2 in two Wuhan hospitals. Nature 582, 557-560.

  • Ma, J., Qi, X., Chen, H., Li, X., Zhang, Z., Wang, H., Sun, L., Zhang, L., Guo, J., Morawska, L., Grinshpun, S.A., Biswas, P., Flagan, R.C., Yao, M., 2021. Coronavirus disease 2019 patients in earlier stages exhaled millions of severe acute respiratory syndrome coronavirus 2 per hour. Clin. Infect. Dis. 72, e652-e654.

  • Morawska, L., Milton, D.K., 2020. It is time to address airborne transmission of coronavirus disease 2019 (COVID-19). Clin. Infect. Dis. 71, 2311-2313.

  • Zhang, C., Guo, Z., Zhao, Z., Wang, T., Li, L., Miao, F., Zhang, C., Li, Y., Gao, Y., 2021. SARS-CoV-2 aerosol exhaled by experimentally infected cynomolgus monkeys. Emerg. Infect. Dis. 27, 1979-1981.

  • Zheng, J., Wang, Z., Li, J., Zhang, Y.,, Jiang, L., Fu, Y., Jin, Y., Cheng, H., Li, J., Chen, Z., Tang, F., Lu, B., Li, L., Zhang, X., 2022. High amounts of SARS-CoV-2 in aerosols exhaled by patients with Omicron variant infection. J. Infect. 84, e126-e128.