The Duchess is self-isolating after being exposed to the virus. - by Jess Pullar 06 Jul 2021 While Prince William got out and about in celebration of a very special event on Monday, Duchess Catherine remained at home. WATCH BELOW: Prince George sings God Save The Queen with William and Kate at the soccer The royal was exposed to the COVID-19 virus last week, with a spokesperson explaining: "Last week the Duchess of Cambridge came into contact with someone who has subsequently tested positive for COVID-19. Her Royal Highness is not experiencing any symptoms, but is following all relevant government guidelines and is self-isolating at home."