Photo by Khamkéo Vilaysing on Unsplash

The arrival of Autumn last week was underlined by rain and punctuated by cold: summer is officially over in the City of Light. It was, by all accounts, one of our quietest summers in recent history, as we were bereft of many of the non-European tourists that normally flock to our city. But I had used that time to mull over an idea that had first occurred to me during lockdown: the Covid Location Test.