Zhang, Xiyan
Zhou, Yonglin
Yang, Jie
Wang, Yan
Yang, Wenyi
Gao, Liuwei
Xiang, Yao
Zhang, Fengyun http://orcid.org/0000-0002-3194-0746
Funding for this research was provided by:
Demonstration project of comprehensive prevention and control of emerging infectious diseases (BE2015714)
Article History
Received: 20 June 2019
Accepted: 29 October 2020
First Online: 7 November 2020
Ethics approval and consent to participate
: The study protocol was approved by the Institutional Review Board of Ethics committee of Jiangsu Province CDC, and written informed consent was obtained from the child’s guardian, and ethical immunity was obtained by the Institutional Review Board of Ethics committee of Jiangsu Province CDC.
: Not applicable.
: All authors had no conflicts of interest.