Katherine (Kate) Ellingson is an infectious diseases epidemiologist and with a focus on healthcare. She joined the Department of Epidemiology and Biostatistics at the University of Arizona College of Public in 2017, where she teaches infectious disease epidemiology, One Health, and border health. She is a Principal Investigator on several research grants related to infection prevention, rapid diagnostic testing, and antimicrobial stewardship with funding from federal, state, and local sources. Dr. Ellingson spent the first decade of her post-doctoral career in public service – first as an Epidemic Intelligence Service officer and Health Scientist at the Centers for Disease Control and Prevention, and then as a Senior Epidemiologist at the Oregon Health Authority. In the context of the COVID-19 response, she is leading several projects, including daily symptom monitoring for healthcare workers housed in alternate housing while working on the frontlines and tracking cohorts of healthcare workers over time. She also serves as a consultant for the long-term care team serving the Emergency Operations Center for the Pima County COVID-19 response.