Funding for this research was provided by:
National Public Health Laboratory, Teku, Kathmandu
Received: 9 May 2020
Accepted: 25 June 2020
First Online: 2 July 2020
Ethics approval and consent to participate
: Ethical approval was taken from Nepal Health Research Council. Oral and written consent was taken from every individuals enrolled in the study after explaining its objectives and outcomes. Written consent was also taken from directors of Bheri zonal hospital and Seti zonal hospital before carrying out this study.
: Not applicable.
: The authors declare no competing interests.