A total pool of 215 undergraduate students (150 in their first year and 65 in their final year) and 70 staff were eligible to participate in the P-ATS.

2.1. Pilot Asymptomatic Testing Service (P-ATS)
The P-ATS was a pilot programme for SARS2 surveillance conducted in the early phases of the SARS2 pandemic at a semirural campus of a un