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Wei N, Zhu G, Zhao T, Wang Y, Lou H, Li H, Yang Z, Zhang Z, Wang Q, Han M, Lin Z, Li S. Characterization of oral bacterial and fungal microbiome in recovered COVID-19 patients. BMC Microbiol 2023; 23:123. [PMID: 37158877 PMCID: PMC10166687 DOI: 10.1186/s12866-023-02872-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Accepted: 04/25/2023] [Indexed: 05/10/2023] Open
Abstract
COVID-19 has emerged as a global pandemic, challenging the world's economic and health systems. Human oral microbiota comprises the second largest microbial community after the gut microbiota and is closely related to respiratory tract infections; however, oral microbiomes of patients who have recovered from COVID-19 have not yet been thoroughly studied. Herein, we compared the oral bacterial and fungal microbiota after clearance of SARS-CoV-2 in 23 COVID-19 recovered patients to those of 29 healthy individuals. Our results showed that both bacterial and fungal diversity were nearly normalized in recovered patients. The relative abundance of some specific bacteria and fungi, primarily opportunistic pathogens, decreased in recovered patients (RPs), while the abundance of butyrate-producing organisms increased in these patients. Moreover, these differences were still present for some organisms at 12 months after recovery, indicating the need for long-term monitoring of COVID-19 patients after virus clearance.
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Affiliation(s)
- Nana Wei
- Key Laboratory of Adolescent Health Assessment and Exercise Intervention of Ministry of Education, East China Normal University, Shanghai, 200241, China
| | - Guangqi Zhu
- Department of Infectious Disease, Zhoushan Hospital, Wenzhou Medical University, Zhoushan, 316021, China
| | - Tingxiao Zhao
- Department of Infectious Disease, Zhejiang University Zhoushan Hospital, Zhoushan, 316021, China
| | - Yan Wang
- Department of Infectious Disease, Zhoushan Hospital, Wenzhou Medical University, Zhoushan, 316021, China
| | - Haifei Lou
- Department of Infectious Disease, Zhoushan Hospital, Wenzhou Medical University, Zhoushan, 316021, China
| | - Haoxuan Li
- Wenzhou-Kean University, Wenzhou, 325060, China
| | - Zhejuan Yang
- Department of Infectious Disease, Zhoushan Hospital, Wenzhou Medical University, Zhoushan, 316021, China
| | - Zheen Zhang
- Department of Infectious Disease, Zhoushan Hospital, Wenzhou Medical University, Zhoushan, 316021, China
| | - Qiujing Wang
- Department of Infectious Disease, Zhoushan Hospital, Wenzhou Medical University, Zhoushan, 316021, China
| | - Mingfang Han
- Department of Infectious Disease, Zhoushan Hospital, Wenzhou Medical University, Zhoushan, 316021, China
| | - Zhibing Lin
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, 200240, China.
| | - Shibo Li
- Department of Infectious Disease, Zhoushan Hospital, Wenzhou Medical University, Zhoushan, 316021, China.
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