Xu, Xin
Jiang, Jie
Song, Ci
Yu, Chengxiao
Zhu, Liguo
Qian, Jiao
Tian, Ting
Ding, Yuqing
Zhu, Fengcai
Hu, Zhibin
Zhai, Xiangjun
Article History
Received: 3 January 2022
Accepted: 26 April 2022
First Online: 26 May 2022
Declarations
:
: The study was approved by the Institutional Review Board of Jiangsu Province Center for Disease Control and Prevention. All participants provided written informed consent for an interview, as well as follow-up interviews and blood sample collection.
: The authors declare that they have no competing interests.