The number of cases of Covid-19 on the cruise liner quarantined in Japan has risen to 175, with 39 more testing positive on Wednesday.
According to some media reports, one quarantine officer was among the infected despite wearing a mask and gloves.
The officer, along with 10 crew members and 29 passengers, have been moved to isolation wards in hospitals.
About 3,700 people are on board the British-flagged Diamond Princess has been placed under quarantine for two weeks since arriving in Yokohama on February 3, after a man who disembarked in Hong Kong was diagnosed with the virus.
The ministry added that tests were being conducted for more people and results will be announced later.


US military says it's completed 13th consecutive night of strikes on Iran
Saudi-owned vessel targeted in Red Sea, crew safe, state news agency says
Rubio says US committed to helping end Ukraine war after meeting Lavrov
India's Modi promises fast-track courts on exam leaks, protesters want minister to quit
Venezuela quakes caused $19.6 billion in damage, World Bank report shows
