A dummy was used to simulate the human respiratory process A new study co-commissioned by the Dortmund Konzerthaus has shown that concert halls can operate at 50 per cent capacity with ‘almost no risk’ of infection from Covid-19. The study, run in collaboration with the Fraunhofer Heinrich Hertz Institute and the Federal Environment Agency, took place in the Konzerthaus and shows that a ‘checkerboard’ pattern of seating in the auditorium would be enough to ensure audience safety. In the study, conducted over three days, a dummy equipped to simulate human breathing was placed at strate...