Niu, Dan-dan
Zhang, Zhen
Chen, Zhi-gao
Lv, Qiu-ying
Liu, Ting-ting
Chen, Ni-xuan
Li, Ying-ying
Sun, Ying
Li, Chao
Huang, Shun-wu
Cheng, Yan-peng
Wang, Hong-lin
Wen, Ying
Zhang, Xin-dong
Zou, Xuan
Lu, Jian-hua
Chen, Yi-xiong
Shi, Xiao-lu
Fang, Shi-song
Feng, Tie-jian
Funding for this research was provided by:
Sanming Project of Medicine in Shenzhen (SZSM202211023)
Foundation for Innovative Research Groups of the National Natural Science Foundation of China (82473754)
The Chinese Academy of Medical Sciences Innovation Fund for Medical Sciences (2022-I2M-CoV19-006)
Shenzhen Science and Technology Program (JCYJ20240813160804007)
Shenzhen Key Discipline of Medicine (SZXK064)
Key Project of Basic Research of Shenzhen Science and Technology Plan (JCYJ20200109150715644)
Shenzhen Medical Research Fund (B2404002)
Article History
Received: 20 August 2025
Accepted: 16 January 2026
First Online: 21 January 2026
Declarations
:
: The authors declare no competing interests.
: The protocol for this surveillance project was reviewed and approved by the Ethics Committee of the Shenzhen Center for Disease Control and Prevention (Approval No. SZCDCLL-[2023]027 A). Informed consent was obtained from all participating children or their guardians prior to the collection of respiratory samples and demographic data.