Trickey A, Nixon E, Christensen H, Finn A, Thomas A, Relton C, Montgomery C, Hemani G, Metz J, Walker JG, Turner K, Kwiatkowska R, Sauchelli S, Danon L, Brooks-Pollock E. University students and staff able to maintain low daily contact numbers during various COVID-19 guideline periods. Epidemiol Infect. 2021 Aug 10;149:e169. doi: 10.1017/S0950268821001618