France has seen a surge in infections, with 7,000 people recently testing positive in one day. The southern area of Hérault, and Cap d'Agde in particular, has seen some of the biggest numbers.
Home to the biggest naturist resort in Europe, it has a distinct focus on hedonism.
But now health authorities - who set up a mobile testing operation outside the village - have found 30% of the 800 naturists checked have tested positive.
