Funding for this research was provided by:
Japan Society for the Promotion of Science (26360029 and 17H04513)
Cooperative Research Grants from Joint Usage/Research Centre on Tropical Disease, Institute of Tropical Medicine, Nagasaki University (2015-Ippan-14, 2016-Ippan-9, 2017-Ippan-2, 2018-Ippan-7)
Received: 20 November 2018
Accepted: 14 January 2019
First Online: 23 January 2019
Ethics approval and consent to participate
: The study was reviewed and approved by the research ethics committee of the National Institute of Malariology, Parasitology and Entomology, Ministry of Health, Vietnam (366/QD-VSR) and the ethics committee of Fujita Health University, Japan (HM17-050). The people involved in mosquito collection and householders were informed about the objectives, processes, and procedures of this study. Oral informed consents were obtained from them.
: Not applicable.
: The authors declare that they have no competing interests.
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