Andrea Farnham is a senior researcher at the Epidemiology, Biostatistics and Prevention Institute of the University of Zurich (EBPI), and supports the development of scientific content and interdisciplinary research events at the PRC. She is an epidemiologist specializing in using digital data to track population movement and health, and provides methodological support to population based research studies. The largest of these is the SwissPrEPared study, a longitudinal program and cohort study on people taking HIV Pre-Exposure Prophylaxis (PrEP) across Switzerland.