Prince Philip most recently treated for an “infection”. He spent 13 nights at King Edward VII Hospital in central London before being transferred to St Bartholomew’s Hospital. It was also revealed doctors were carrying out testing and observation for a pre-existing heart condition. When the royal was first admitted to hospital it was announced “as a precautionary measure”. A royal source also revealed the reason for the hospital stay wasn’t coronavirus-related. The hospital admission came after the Duke of Edinburgh and Queen had their COVID-19 vaccines.