A British man onboard a cruise ship docked at a port in Japan has tested positive for coronavirus, Princess Cruises said.

Alan Steele, from Wolverhampton, posted on Facebook that he had been diagnosed with the virus. Believed to be on his honeymoon, Steele said he was not showing any symptoms but was being taken to hospital.

“Just to let you all know I have been diagnosed as having the virus and am being shipped to hospital,” he wrote. “Would also like to say that at the moment I am not showing any symptoms so just possibly a carrier. Will let you know how I am going on when possible.”

The announcement comes after a third person in the UK was diagnosed with coronavirus, who is believed to have caught the illness in Singapore. It has been reported that this third patient is a middle-aged man who is understood to be the first UK national to contract the disease.

The cruise ship company said on Friday that a further 41 people onboard the Diamond Princess had tested positive for the virus, including passengers from Argentina, Australia, Canada, Japan and the US, as well as Steele. It takes the total number of people infected while on the ship to 61.

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David Abel said in a video update posted on Facebook that he had been dining with Steele on the ship.

“He will almost certainly be leaving the ship today – real, real shame. I have no idea how he must be feeling … they’re on their honeymoon,” he said. “He will be going off into quarantine in a medical facility and she has to stay onboard the ship because she’s not displaying symptoms.

“That’s going to be really, really tough for him so just bear a thought for these passengers who just don’t know what is going to be lying ahead of them.”

Princess Cruises said the Japanese ministry of health had confirmed this was the last batch of passengers to be tested and the quarantine would end on 19 February, unless there were any unforeseen developments. “The Japanese government is also providing our ship and team members additional manpower support,” it said in a statement.

Passengers are being provided with an internet and telephone service to stay in contact with family. Extra TV channels and in-room movies have been made available and staff have been bringing games and puzzles to people’s rooms.