Ishikane, Masahiro, Disease Control and Prevention Center, National Center for Global Health and Medicine, Tokyo, Japan; Global Outbreak Intelligence, Capacity Building and Deployment Coordination Center, Disease Control and Prevention Center, National Center for Global Health and Medicine, Tokyo, Japan; WHO Collaborating Centre for Prevention, Preparedness and Response to Emerging Infectious Diseases, Disease Control and Prevention Center, National Center for Global Health and Medicine, Tokyo, Japan, Japan