COVID-19 since the event took place.Verknipt Festival in Utrecht boasted more than 20,000 attendees and was described as a Covid-secure return for dance music, preventing entry to anybody without full vaccination or proof of a negative test.However, CNBC reports that the event is at the centre of a mass Covid outbreak, as confirmed by Utrecht’s regional heath board.“We cannot say that all these people were infected at the festival itself,” said Lennart van Trigt, a spokesman for the Utrecht