Zhang, Xingxing
Du, Jing
Li, Gang
Chen, Teng
Yang, Jin
Yang, Jiao
Zhang, Ting
Wang, Qing
Yang, Liuyang
Lai, Shengjie http://orcid.org/0000-0001-9781-8148
Feng, Luzhao
Yang, Weizhong http://orcid.org/0000-0002-6599-825X
Funding for this research was provided by:
the Special Fund for Health Development Research of Beijing ((2021-1G-3013))
Chinese Academy of Medical Sciences Innovation Fund for Medical Sciences ((2021 I2M 1 044))
Bill and Melinda Gates Foundation ((INV-024911))
the National Institute for Health ((MIDAS Mobility R01AI160780))
Article History
Received: 23 November 2022
Accepted: 28 January 2023
First Online: 16 February 2023
Declarations
:
: The ILI data analyzed in the study were collected as part of routine surveillance program and no individual information was involved, so it could be exempt from ethics approval.
: Not applicable.
: The authors declare that they have no competing interests.