A relative of a UK patient who recently contracted a potentially fatal Sars-like virus has also become infected with the disease, health experts said.
The latest case brings the number of confirmed cases across the world to 11, three of which were diagnosed in the UK, the HPA said.
On Monday, the Health Protection Agency said one person who had recently travelled to the Middle East and Pakistan was being treated in an intensive care unit at Whythenshawe hospital in Greater Manchester after becoming infected with a new type of coronavirus.
Officials confirmed that a relative of the patient, also a UK resident, has become infected and is being treated at the Queen Elizabeth Hospital, Birmingham.
It's understood that the family member, has an existing medical condition that might make them more susceptible to respiratory infections.
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Greater Manchester Police said "inquiries are ongoing to fully understand the circumstances of the incident."
Business Secretary Greg Clark said talks with Peugeot's boss over a potential Vauxhall takeover were both "constructive and reassuring".
He served in Margaret Thatcher's Cabinet as Home Secretary in 1989 and was also a former Governor of Bermuda.