Differences in symptoms and clinical outcomes of COVID-19 infection across vaccination status and age groups during the national pandemic from December 2022 to February 2023 in China: a cross-sectional study
Older adults are at higher risk of severe COVID-related outcomes, and vaccination seems to protect against severe outcomes. Ongoing vaccination is necessary.
Authors
- Fang Zheng (ORCID: https://orcid.org/0000-0002-5699-8063)
- Jing Chen (ORCID: https://orcid.org/0000-0003-3576-7247)
- Qin Zhang (ORCID: https://orcid.org/0000-0003-1944-0594)
- Wenjing Gao (ORCID: https://orcid.org/0009-0004-1368-3610)
- Ange Wang (ORCID: https://orcid.org/0000-0002-7133-0950)
- Nan Hua (ORCID: https://orcid.org/0009-0004-0456-4767)
Institutions
- Community Health Center (US)
- First Affiliated Hospital Zhejiang University (CN)
- Zhejiang University (CN)
Publication Details
- Journal
- BMC Infectious Diseases
- Published
- 2025-11-11
- DOI
- https://doi.org/10.1186/s12879-025-11733-5
- Citations
- 1
- Primary Topic
- SARS-CoV-2 and COVID-19 Research
- Type
- article
- Field-Weighted Citation Impact
- 1.40
Funders
- Zhejiang University
- State Administration of Traditional Chinese Medicine of the People's Republic of China
- Zhejiang Traditional Chinese Medicine Administration