Funding for this research was provided by:
Shanghai Municipal Health Bureau (No. GWV-10.1-XK13)
Received: 17 January 2021
Accepted: 6 March 2021
First Online: 26 April 2021
: The study was reviewed and approved by the ethical committee of the Shanghai Municipal Centers for Disease Control & Prevention. This study was carried out in accordance with the recommendations of the National Malaria Elimination Action Plan.
: Not applicable.
: The authors declares that they have no competing interests.