coronavirus despite being vaccinated, their respective royal houses announced Wednesday.Denmark’s Queen Margrethe, 82, has mild COVID-19 symptoms and has isolated herself in the Copenhagen palace where she lives, the palace said.Margrethe tested positive for the virus on Tuesday evening and canceled a planned vacation in Norway that was set to begin Wednesday, the royal household said.The announcement came weeks after Margrethe marked her 50 years on the throne of Europe’s oldest ruling monarchy. Some of the planned festivities were postponed until September due to the pandemic.However, the queen participated in some jubilee events this month, including a wreath-laying at the grave of her parents at Roskilde Cathedral, where Danish royals have been buried since 1559.