As we enter the 20th month of the coronavirus pandemic, the Delta variant continues to rip through the county driving up cases, hospitalization and death in its wake. Which leads to the question: will COVID-19 ever end? This week we looked to the past for an answer and spoke with Graham Mooney, Associate Professor of the History of Medicine and Epidemiology at Johns Hopkins. He explained how past pandemics mirror the coronavirus, how we eradicated the smallpox pandemic once and for all, and why we haven’t been able to do it since.