Passengers stand on the balcony of the cruise ship Diamond Princess anchored at the Yokohama Port in Yokohama, near Tokyo Friday, Feb. 7, 2020. Japan on Friday reported 41 new cases of a virus on a cruise ship that's been quarantined in Yokohama harbor while the death toll in mainland China rose to 636, including a doctor who got in trouble with authorities in the communist country for sounding an early warning about the disease threat. (AP Photo/Eugene Hoshiko)