Wang, Xiaoxiao
Ruan, Wei
Zhou, Shuisen
Huang, Fang
Lu, Qiaoyi
Feng, Xinyu
Yan, He
Funding for this research was provided by:
National Important Scientific & Technological Project (2018ZX10101002-002)
National Health Commission Special Project for Lancang-Mekong Cooperation in 2017 (2020399)
Natural Science Foundation of Shanghai (18ZR1443400)
National Institutes of Health/National Institute of Allergy and Infectious Diseases U19 project (U19AI129386)
Article History
Received: 30 August 2019
Accepted: 24 January 2020
First Online: 4 February 2020
Ethics approval and consent to participate
: This study was approved by the Ethical Review Committee of Zhejiang Provincial Center for Disease Control and Prevention.
: Not applicable.
: The authors declare that they have no competing interests.