Received: 11 November 2019
Accepted: 22 January 2020
First Online: 30 January 2020
Ethics approval and consent to participate
: The study was approved by the Medical Research Coordinating Committee of the National Institute for Medical Research (Ref. No. NIMR/HQ/R.8a/Vol.IX/1584). Mosquitoes used in the experiments were raised in an insectary and free from infections. Human volunteers provided an informed consent before participating in the experiments.
: Not applicable.
: The authors declare that they have no competing interests.