Sophie Wessex is not experiencing any symptoms of Covid-19, but is self-isolating at home according to Government guidelines, said a palace spokesman.
The spokesman explained: “Earlier this week the Countess of Wessex came into contact with someone who has subsequently tested positive for Covid-19."
The Countess is not the first member of the Royal family to have to self-isolate during the pandemic.
Earlier this year Prince Charles tested positive for coronavirus and had to "work for home" wile he recovered from his symptoms.
They joined staff, volunteers, local residents and schoolchildren as the farm marked the start of Black History Month.