On March 17, 2020, this report was posted online as an MMWR Early Release.Please note: This report has been corrected.
An erratum has been published.Kensaku Kakimoto1; Hajime Kamiya2; Takuya Yamagishi2; Tamano Matsui2; Motoi Suzuki2; Takaji Wakita3 (View author affiliations)Views equals page views plus PDF downloadsAn outbreak of coronavirus disease 2019 (COVID-19) among passengers and crew on a cruise ship led to quarantine of approximately 3,700 passengers and crew that began on February 3, 2020, and lasted for nearly 4 weeks at the Port of Yokohama, Japan (1).
By February 9, 20 cases had occurred among the ship’s crew members. By the end of quarantine, approximately 700 cases of COVID-19 had been laboratory-confirmed among passengers and.