Funding for this research was provided by:
Vector Control Research Centre, Puducherry, India (2020)
Received: 21 April 2020
Accepted: 15 May 2020
First Online: 24 May 2020
Ethics approval and consent to participate
: Ethics approval was obtained from the institutional human ethical committee of ICMR-VCRC Puducherry, India for engaging human volunteers in this study.
: Not applicable.
: The authors declare that they have no competing interests.