Kang, Liangyu
Yan, Wenxin
He, Jinyu
Jing, Wenzhan
Cao, Guiying
Liu, Min https://orcid.org/0000-0002-5059-3743
Liang, Wannian https://orcid.org/0000-0001-7116-0878
Funding for this research was provided by:
Beijing Research Center for Respiratory Infectious Diseases Project (BJRID2025-014)
Article History
Received: 10 November 2025
Accepted: 19 August 2026
First Online: 22 August 2026
Declarations
Ethics approval and consent to participate: Not applicable. This study was conducted using publicly available, aggregate data that do not contain any personal identifiers and do not involve interaction with human participants.
Consent for publication: Not applicable.
Competing interests: The authors declare no competing interests.