The Lancet Infectious Diseases 2020, ' Effectiveness of isolation, testing, contact tracing, and physical distancing on reducing transmission of SARS-CoV-2 in different settings : a mathematical modelling study ', The Lancet Infectious Diseases, vol. 20, no. 10, pp. 1151-1160 . https://doi.org/10.1016/S1473-3099(20)30457-6