How do we engage people in testing for COVID-19? A rapid qualitative evaluation of a testing programme in schools, GP surgeries and a university oleh Daniella Watson, Natalia Laverty Baralle, Jawahr Alagil, Krithika Anil, Sandy Ciccognani, Rachel Dewar-Haggart, Sarah Fearn, Julia Groot, Kathryn Knowles, Claire Meagher, Carmel McGrath, Sarah Muir, Jo Musgrove, Kate Glyn-Owen, Kath Woods-Townsend, Andrew Mortimore, Paul Roderick, Janis Baird, Hazel Inskip, Keith Godfrey, Mary Barker