Skip to main content
Springer Nature - PMC COVID-19 Collection logoLink to Springer Nature - PMC COVID-19 Collection
letter
. 2022 Jun 14;65(12):2556–2559. doi: 10.1007/s11427-021-2115-7

Impact of inactivated COVID-19 vaccines on viral shedding in B.1.617.2 (Delta) variant-infected patients

Zhiliang Hu 1,2,#, Yi Yin 3,#, Kai Wang 4,#, Miaomiao Xu 1, Chengyuan Ding 2, Yan Song 1, Changhua Yi 1, Junwei Li 1, Yongxiang Yi 1,, Zhihang Peng 3,
PMCID: PMC9206421  PMID: 35717433

The content is available as a PDF (837.6 KB).

Acknowledgements

This work was supported by the National Natural Science Foundation of China (82073673), the National Science and Technology Major Project of China (2018ZX10715002-004-002, 2018ZX10713001-001), the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD), Key Research and Development Program of Department of Health of Jiangsu (ZDB2020036), and Project of Nanjing Infectious Disease Clinical Medical Center Construction (NA2021062071).

Supporting Information

Appendix (169.4KB, pdf)
Appendix (212.9KB, pdf)

Footnotes

Compliance and ethics

The authors declare that they have no conflict of interest. This study was approved by the ethics committee of the Second Hospital of Nanjing (2020-LS-ky003). Written informed consent was waived by the Ethics Commission.

Contributed equally to this work

Contributor Information

Yongxiang Yi, Email: ian0126@126.com.

Zhihang Peng, Email: zhihangpeng@njmu.edu.cn.

References

  1. Badu K, Oyebola K, Zahouli JZB, Fagbamigbe AF, de Souza DK, Dukhi N, Amankwaa EF, Tolba MF, Sylverken AA, Mosi L, et al. SARS-COV-2 viral shedding and transmission dynamics: Implications of WHO COVID-19 discharge guidelines. Front Med. 2021;8:648660. doi: 10.3389/fmed.2021.648660. [DOI] [PMC free article] [PubMed] [Google Scholar]
  2. Bok K, Sitar S, Graham BS, Mascola JR. Accelerated COVID-19 vaccine development: Milestones, lessons, and prospects. Immunity. 2021;54:1636–1651. doi: 10.1016/j.immuni.2021.07.017. [DOI] [PMC free article] [PubMed] [Google Scholar]
  3. Bongiovanni M, Bini F, Giuliani G, Gianturco L. Insight into the reason of prolonged viral rna shedding in patients with COVID-19 infection. J Infect. 2021;82:e13–e14. doi: 10.1016/j.jinf.2020.12.030. [DOI] [PMC free article] [PubMed] [Google Scholar]
  4. Cevik M, Tate M, Lloyd O, Maraolo AE, Schafers J, Ho A. SARS-COV-2, SARS-COV, and MERS-COV viral load dynamics, duration of viral shedding, and infectiousness: A systematic review and meta-analysis. Lancet Microbe. 2021;2:e13–e22. doi: 10.1016/S2666-5247(20)30172-5. [DOI] [PMC free article] [PubMed] [Google Scholar]
  5. Lu L, Zhang H, Zhan M, Jiang J, Yin H, Dauphars DJ, Li SY, Li Y, He YW. Antibody response and therapy in COVID-19 patients: what can be learned for vaccine development? Sci China Life Sci. 2020;63:1833–1849. doi: 10.1007/s11427-020-1859-y. [DOI] [PMC free article] [PubMed] [Google Scholar]
  6. Iyer, A.S., Jones, F.K., Nodoushani, A., Kelly, M., Becker, M., Slater, D., Mills, R., Teng, E., Kamruzzaman, M., Garcia-Beltran, W.F., et al. (2020). Persistence and decay of human antibody responses to the receptor binding domain of SARS-CoV-2 spike protein in COVID-19 patients. Sci Immunol 5. [DOI] [PMC free article] [PubMed]
  7. Sadarangani M, Marchant A, Kollmann TR. Immunological mechanisms of vaccine-induced protection against COVID-19 in humans. Nat Rev Immunol. 2021;21:475–484. doi: 10.1038/s41577-021-00578-z. [DOI] [PMC free article] [PubMed] [Google Scholar]
  8. Zhang N, Gong Y, Meng F, Shi Y, Wang J, Mao P, Chuai X, Bi Y, Yang P, Wang F. Comparative study on virus shedding patterns in nasopharyngeal and fecal specimens of COVID-19 patients. Sci China Life Sci. 2021;64:486–488. doi: 10.1007/s11427-020-1783-9. [DOI] [PMC free article] [PubMed] [Google Scholar]
  9. Zhou F, Yu T, Du R, Fan G, Liu Y, Liu Z, Xiang J, Wang Y, Song B, Gu X, et al. Clinical course and risk factors for mortality of adult inpatients with COVID-19 in wuhan, china: A retrospective cohort study. Lancet. 2020;395:1054–1062. doi: 10.1016/S0140-6736(20)30566-3. [DOI] [PMC free article] [PubMed] [Google Scholar]

Articles from Science China. Life Sciences are provided here courtesy of Nature Publishing Group

RESOURCES