Funding for this research was provided by:
Government of Nepal, Ministry of Health and population, Department of Health Services, Epidemiology and Disease Control Division.
Received: 20 February 2020
Accepted: 4 August 2020
First Online: 12 August 2020
Ethics approval and consent to participate
: The study was approved by Nepal Health Research Council (NHRC) with the (Reference number: 23/2016). All study participants gave consent to participate in the study; they were provided with pre-test counseling and results of testing. Blood testing was conducted by qualified lab personnel.
: The authors declare that they have no competing interests.