Published: 2021 Received: -Released on J-STAGE: March 25, 2021Accepted: -
Advance online publication: -
Revised: -
Correction information
Date of correction: July 15, 2021Reason for correction: Correction of errorsCorrection: Fulltext PDFDetails: Last line on page 6 Wrong: the Keio Journal o Medcine / Right: the Keio Journal of Medcine
As the Director General of Keio University Hospital, I hereby document the recent outbreak of health care-associated novel coronavirus (SARS-CoV-2) COVID-19 infections at our hospital in the spring of 2020.