Ten passengers on a cruise ship near Yokohama have tested positive for coronavirus, Japan’s health minister Katsunobu Kato said.
The checks started after an 80-year-old Hong Kong man on the ship fell ill with the virus.
Almost 300 of the 3,700 people on the Diamond Princess have been tested so far.
At least, 490 died from novel coronavirus, more than 24 000 are infected. WHO has declared a global health emergency over the outbreak.