Yang, Tianlong
Du, Xunbo
Li, Junfan
Long, Lu
Xie, Li
Wang, Yao
Wang, Liang
Funding for this research was provided by:
the Major and Application Projects of Chengdu Science and Technology Key R&D Support Plan (2021-YF09-00061-SN)
Article History
Received: 18 February 2025
Accepted: 1 April 2026
First Online: 21 April 2026
Declarations
:
: The study was approved by the Medical Ethics Committee of the Chengdu Municipal Centre for Disease Control and Prevention. Informed consent was waived by the Medical Ethics Committee/Institutional Review Board (IRB) of the Chengdu Municipal Centre for Disease Control and Prevention as the study only collected general information about the cases (e.g., date of onset of disease, age, gender) and did not collect identifying information about the patients, and therefore did not require informed consent from the parents or legal guardians of any participant under 16 years of age. All methods were performed in accordance with the relevant guidelines and provisions of the Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.