From the *Infectious Disease Surveillance Center, †Field Epidemiology Training Program, and ‡Department of Bacteriology I, National Institute of Infectious Diseases, Japan; §Division of Global Infectious Diseases, Department of Infection and Epidemiology, Graduate School of Medicine, Tohoku University, Miyagi; and ¶Department of Disease Control and Prevention Center, National Center for Global Health and Medicine, Tokyo, Japan(2018-03時点)