The ship started quarantine in Yokohama (Tokyo) on 4 February, 2020. Around 17 Feb it was clear the quarantine wasn’t working an Americans were the first offloaded and flown back to the US for quarantine.

52 days later, as of 27 March, 2020, a total of 712 became infected, 10 have died, 597 have recovered and 105 are still active.