Funding for this research was provided by:
Natural Science Foundation of Shanghai (No. 18ZR1443400)
National Malaria Elimination Programme of China
Received: 6 November 2020
Accepted: 28 January 2021
First Online: 6 February 2021
Ethics approval and consent to participate
: This study was approved by the Ethical Review Committee of National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention.
: Not applicable.
: The authors declare no competing interests. PR is a staff member of WHO. The author alone is responsible for the views expressed in this publication and they do not necessarily represent the decisions, policy or views of WHO.