In the early days of the pandemic, Australia kept COVID cases low by closing its borders and instituting rigorous public health measures like contact tracing. Now, however, low vaccination rates and the delta variant have forced communities back into lockdown. Dr. Patricia Davidson, vice chancellor of the University of Wollongong—and former dean of the Johns Hopkins School of Nursing—talks with Dr. Josh Sharfstein about the COVID-19 experience of Australia, how it is similar in some respects and different in others from that of the US.