Dr. Karna is a veterinarian, public health scientist, and microbiologist, currently working in New Mexico State University, USA as a postdoctoral research scientist and an adjunct professor of epidemiology USA. Dr. Karna obtained his veterinary medical degree from Tribhuvan University, Institute of Agriculture and Animal Science, Chitwan in 2009. After working as a veterinary clinician for a few years, he joined the University of New South Wales, Australia for Master in Public Health and International Public Health. After completing his MPH/MIPH program in Australia, he moved to Colorado State University, the USA where he obtained a Ph.D. in Microbiology (Virology and Epidemiology) in 2017. He has then worked as a postdoctoral research scientist in the department of Biology and adjunct professor in the department of public health sciences at New Mexico State University. Dr. Karna is a member of the American Society of Tropical Medicine and Hygiene (ASTMH), American Society of Microbiology (ASM), Nepal Veterinary Association, and a life member of Nepal Veterinary Council. He was the recipient of the Australian Government Endeavour Award 2011, Australian Government Development Scholarship 2011, and Livestock-Climate Change Collaborative Support Program 2012. He has authored and co-authored number of peer-reviewed research papers on infectious diseases. His research interest is on infectious diseases in general and particularly zoonotic diseases. He is a founder of Open Lab LLC, USA through which is conducts consultancy services in research and development.