The following websites of major medical institutions in Japan contain information on COVID-19. These sites are primarily written in Japanese.

• National Institute of Health Sciences

• National Institute of Health Sciences

• National Institute of Infectious Diseases, Japan

• National Institute of Public Health

• National Cancer Center

• National Cancer Center Hospital East

• National Institute of Health and Nutrition

• National Center for Global Health and Medicine

• National Center for Child Health and Development

• National Center for Child Health and Development

• National Center for Geriatrics and Gerontology

• Japan Agency for Medical Research and Development

• RIKEN

• Center for Research and Development Strategy, Japan Science and Technology Agency

• National Bioscience Database Center, Japan Science and Technology Agency

• Tohoku Medical and Pharmaceutical University Hospital

• University of Tsukuba Hospital

• University of Tokyo

• Tokyo Medical And Dental University

• Hiroshima University

• All Japan Hospital Association

• Japanese Red Cross Society

• Yushoukai Medical Corp.

• Social Welfare Organization Saiseikai Imperial Gift Foundation