Camilla, Duchess of Cornwall, says hospitalised Prince Philip is 'slightly' better 3 Mar, 2021 06:26 PM 2 minutes to read Prince Philip has been in the hospital for two weeks, and the Duchess of Cornwall has updated the public on his health. Photo / AP Prince Philip has been in the hospital for two weeks, and the Duchess of Cornwall has updated the public on his health. Photo / AP Other Prince Philip, the Duke of Edinburgh, is "slightly improving" and the royal family is keeping its fingers crossed for the royal's recovery, his daughter-in-law Camilla, Duchess of Cornwall, said Wednesday. On February 16, the duke, 99, was admitted to King Edward VII's Hospital in London where he was treated for an infection. On Monday, he was transferred to a specialised cardiac care hospital, St Bartholomew's, to undergo further treatment alongside testing and observation for a pre-existing heart condition.