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Citation: Jiaming Li, Yidun Zhang, Lina Jiang, Hongliang Cheng, Jingjing Li, Li Li, Zehui Chen, Fei Tang, Yingying Fu, Yifei Jin, Bing Lu, Jing Zheng, Zhongyi Wang. Similar aerosol emission rates and viral loads in upper respiratory tracts for COVID-19 patients with Delta and Omicron variant infection [J].VIROLOGICA SINICA, 2022, 37(5) : 762-764.  http://dx.doi.org/10.1016/j.virs.2022.07.010

Similar aerosol emission rates and viral loads in upper respiratory tracts for COVID-19 patients with Delta and Omicron variant infection

  • Highlights
    1 Aerosol emission rates of Delta or Omicron patients were similar.
    2 Viral loads in upper respiratory tract of Alpha, Delta and Omicron patients were similar.
    3 Viral loads in upper respiratory tract of vaccinated or unvaccinated Delta patients had no difference.

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  • 10.1016j.virs.2022.07.010-ESM.docx
    1. Callaway, E., 2021. Delta coronavirus variant:scientists brace for impact. Nature 595, 17-18.

    2. 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.

    3. 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.

    4. 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.

    5. 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.

    6. 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.

    7. 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.

    8. 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.

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    Similar aerosol emission rates and viral loads in upper respiratory tracts for COVID-19 patients with Delta and Omicron variant infection

      Corresponding author: Bing Lu, 13693506666@163.com
      Corresponding author: Jing Zheng, zhengjing1103@foxmail.com
      Corresponding author: Zhongyi Wang, zhongyi_wang@foxmail.com
    • a Academy of Military Medical Sciences, Academy of Military Sciences in Beijing, Beijing 100071, China;
    • b Xiamen Center for Disease Control and Prevention, Xiamen 361021, China

    Abstract: Highlights
    1 Aerosol emission rates of Delta or Omicron patients were similar.
    2 Viral loads in upper respiratory tract of Alpha, Delta and Omicron patients were similar.
    3 Viral loads in upper respiratory tract of vaccinated or unvaccinated Delta patients had no difference.

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