Ursula von der Leyen in self-isolation after staffer tests positive for Covid-19

The President of the European Commission, Ursula von der Leyen, left a summit of EU leaders after an aide tested positive for Covid-19. The President is self-isolating as a precautionary measure.
In a post on Twitter, von der Leyen wrote: "I have just been informed that a member of my front office has tested positive to COVID-19 this morning. I myself have tested negative.
However as a precaution I am immediately leaving the European Council to go into self-isolation."