EXPRESS: Vaccination significantly reduced the length of

J. Investig. Med. · Oct 2024

EXPRESS: Vaccination significantly reduced the length of SARS-CoV-2 viral clearance: a story from international healthcare workers.

To investigate the impact of vaccines on sociodemographic characteristics, clinical profiles, and outcomes of SARS-CoV-2 infection among healthcare workers in South China during the period of Omicron variant dominance, a retrospective, analytical cross-sectional study was conducted. The findings revealed that while full vaccination could not prevent Omicron variant infection efficiently (26.51% uninfected vs 14.29% uninfected between vaccinated and unvaccinated participants, p = 0.506), it did substantially reduce the length of viral clearance significantly (p < 0.05), potentially facilitating quicker patient recovery. Unvaccination was found to be an independent risk factor for slow clearance when a linear regression analysis model was used (Coefficient: -3.516; 95% CI: -6.425 to -0.607; p = 0.020). Therefore, all eligible individuals should be fully vaccinated to get prepared for a potential wave of epidemic in the future.

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- Hai-Bo Wang, Zi-Dong Cheng, Xin-Bin Chen, Hui-Na Huang, and Meng-Hua Liao.
- Zhuhai International Travel Healthcare Center, Zhuhai, Guangdong, China.
- J. Investig. Med. 2024 Oct 29: 1081558924129602810815589241296028.
AbstractTo investigate the impact of vaccines on sociodemographic characteristics, clinical profiles, and outcomes of SARS-CoV-2 infection among healthcare workers in South China during the period of Omicron variant dominance, a retrospective, analytical cross-sectional study was conducted. The findings revealed that while full vaccination could not prevent Omicron variant infection efficiently (26.51% uninfected vs 14.29% uninfected between vaccinated and unvaccinated participants, p = 0.506), it did substantially reduce the length of viral clearance significantly (p < 0.05), potentially facilitating quicker patient recovery. Unvaccination was found to be an independent risk factor for slow clearance when a linear regression analysis model was used (Coefficient: -3.516; 95% CI: -6.425 to -0.607; p = 0.020). Therefore, all eligible individuals should be fully vaccinated to get prepared for a potential wave of epidemic in the future.

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EXPRESS: Vaccination significantly reduced the length of SARS-CoV-2 viral clearance: a story from international healthcare workers.

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