Jiao, Liping
Shen, Tuo
Han, Yingzi
Liu, Wen
Liu, Wei
Dang, Lin
Wei, Mingmin
Yang, Yunyun
Guo, Jingjing
Miao, Meirong
Xu, Xiangming
Funding for this research was provided by:
Central public health-related project subsidy funds-Major public health projects (2100409, 2100409, 2100409, 2100409, 2100409, 2100409, 2100409, 2100409, 2100409, 2100409)
Article History
Received: 28 June 2023
Accepted: 5 August 2024
First Online: 11 August 2024
Declarations
:
: The study was approved by the Ethical Committee of Weinan Center for Disease Prevention and Control.Because this study constituted public health surveillance rather than research in human beings, and was a retrospective analysis with no ethical issues.Therefore, our study was exempt from ethical review by the Ethics Committee of Weinan Center for Disease Control and Prevention. The datas provided did not have any individual patient details, so the requirement for informed consent was waived by the Ethical Committee of Weinan Center for Disease Prevention and Control.All methods were carried out in accordance with relevant guidelines and regulations.The original datas uesd in this study were obtained from “Public Health Science Data Center Database” with the approval by Public Health Science Data Center of China CDC.
: Not applicable.
: The authors declare no competing interests.