Japan's health ministry says another 39 people on board a cruise ship docked at Yokohama Port and a quarantine official are confirmed to have the new corona virus. The update brings the total found on the Diamond Princess to 174 cases.
The ministry says virus tests for 53 more people came back positive for 29 passengers and 10 crewmembers.
They include a girl aged ten to nineteen-years-old, the first patient in this age bracket. 10 Japanese nationals are among them.
The ministry says the quarantine official was on the ship on February 3 and 4. He entered passengers' rooms to retrieve questionnaires and take their temperatures. He wore a protective mask and gloves.
The official developed a fever on February 9 and visited a medical institution the following day, where he was screened for the virus.
Among the cases on the ship, four people are in serious condition. Two of them are in intensive care and the other two are on artificial respirators.
They include one Japanese man in his 60s, two Japanese men in their 70s and a male foreign national in his 70s.
The total number of confirmed cases of infection in Japan is 203, including the people on the cruise ship, one quarantine official, 12 people who evacuated from China on chartered flights and 16 others.