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.
More top news
Little boy with cerebral palsy has enjoyed his first ever trip around a supermarket in a trolley...and it's gone viral.
Mother and son who neglected a dog which was eaten alive by maggots as it lay dying at their home have narrowly avoided being sent to jail.
Wallace and Khari, the UK's only father and son lion coalition, celebrate their birthdays just one day apart on 30th and 31st May.