completed weekly over 12 weeks (10 swab tests, and 2 saliva tests) and up to 6 antibody tests from July to October 2020. In addition, a number of students in their final year were invited to join the P-ATS in September 2020. Eligible final-year students were those who were due to start certain 2-week rotation placements that required them to undertake PCR testing prior to attendance. A select number of final year participants therefore participated in the