March 1 (UPI) -- Britain's Prince Philip was transferred to a different hospital in London on Monday for more tests, officials said, after he was initially treated for an infection and a pre-existing heart condition.
The Duke of Edinburgh, 99, was admitted to King Edward VII's Hospital in London on Feb. 16 as a "precautionary measure" and remained there until Monday, when he was taken to St. Bartholomew's Hospital.
"The duke remains comfortable and is responding to treatment but is expected to remain in hospital until at least the end of the week," Buckingham Palace said in a statement.
Prince Edward said last week his father was improving and looking forward to his release.
Philip, who turns 100 in June, retired from public duties in 2017 and was last seen in public last summer when he transferred his role as colonel-in-chief of The Rifles to Camilla, Duchess of Cornwall.
Philip previously spent four days in hospital in 2019 for what was also specified as a "pre-existing condition." He was involved in a car accident in January 2019 but didn't require hospitalization.