Affiliation: | National Institute of Infectious Diseases, Tokyo, Japan (T. Arashiro, Y. Arima, A. Stucky, M. Suzuki);London School of Hygiene and Tropical Medicine, London, UK (T. Arashiro, C. Smith, M. Hibberd);Nagasaki University, Nagasaki, Japan (T. Arashiro, C. Smith, M. Hibberd, K. Ariyoshi, M. Suzuki) |