1 Avian Influenza Research & Diagnostic Division, Animal and Plant Quarantine Agency, Gimcheon, 39660, Republic of Korea.
2 Department of Microbiology, College of Medicine and Medical Research Institute, Chungbuk National University, Cheongju, 28644, Republic of Korea.
3 Department of Microbiology, College of Medicine and Medical Research Institute, Chungbuk National University, Cheongju, 28644, Republic of Korea. choiki55@chungbuk.ac.kr.
4 Avian Influenza Research & Diagnostic Division, Animal and Plant Quarantine Agency, Gimcheon, 39660, Republic of Korea. leekwn@korea.kr.