^○Keinosuke Okamoto¹, Eizo Takahashi^2,3, Kei Kitahara², Tamaki Mizuno¹, Shin-ichi Miyoshi¹ (1.Graduate School of Medicine, Dentistry and Pharmaceutical Sciences of Okayama University, Okayama, Okayama, Japan, 2.Collaborative Research Center of Okayama University for Infectious Diseases in India, NICED-JICA Building, 57 Dr. S.C. Banerjee Road, Beliaghata, Kolkata 700 010, India, 3.Department of Health Pharmacy, Yokohama University of Pharmacy, 601 Matano-cho, Totsuka-ku, Yokohama, Kanagawa 245-0066, Japan)

^○Peris W Wambugu^1,2, Shah M Mohammand¹, Bhim G Dhoubhadel³, Toizumi Michiko¹, Hien-Anh T Nguyen⁴, Kim-Anh T Le⁴, Thu-Huong T Vu⁴, Fujioka Atsushi^1,2, Otomaru Hirono¹, Yamagata Yutaro¹, Duc-Anh Dang⁴, Lay-Myint Yoshida^1,2 (1.Department of Pediatric Infectious Diseases, Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan, 2.Graduate School of Biomedical Science, Nagasaki University, Japan, 3.Department of Respiratory Diseases, Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan, 4.Department of Bacteriology, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam)

^○Carol S Devamani¹, John AJ Prakash¹, Neal Alexander², John Stenos³, Wolf P Schmidt⁴ (1.Christian Medical College, Vellore, India, 2.MRC Tropical Epidemiology Group, London School of Hygiene and Tropical Medicine, London, UK, 3.Australian Rickettsial Reference Laboratory, Geelong, Australia, 4.Department for Disease Control, London School of Hygiene and Tropical Medicine, London, UK)