High attack rate of SARS-CoV-2 infections during a bus tour in Japan

Affiliations

• ¹ Center for Field Epidemic Intelligence, Research, and Professional Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan.
• ² Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Tokyo 162-8640, Japan.
• ³ Center for Surveillance, Immunization, and Epidemiologic Research, National Institute of Infectious Diseases, Tokyo 162-8640, Japan.
• ⁴ Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo 162-8640, Japan.
• ⁵ Department of Health and Welfare, Kyoto Prefectural Government, Kyoto 602-8570, Japan.
• ⁶ Kyoto City Public Health Center, Kyoto City, Kyoto 604-8571, Japan.
• ⁷ Department of Health and Welfare, Hokkaido Government, Hokkaido 060-8588, Japan.
• ⁸ Public Health Office, City of Sapporo, Hokkaido 060-0042, Japan.