Report 41: The 2020 SARS-CoV-2 epidemic in England: key epidemiological drivers and impact of interventions - Knock, E; Whittles, L; Lees, J; Perez, Guzman P; Verity, R; Fitzjohn, R; Gaythorpe, K; Imai, N; Hinsley, W; Okell, L; Rosello, A; Kantas, N; et al. (2020)