The longer the COVID-19 epidemic persists the more likely we are to see more super-spreader events, even among those vaccinated, and possibly by variants not yet identified. Health experts have already worked to help prevent and treat COVID – but say there's more we need to do to track individual cases and community spread. On this week's episode, John Connor, MD, an associate professor and researcher at the National Emerging Infectious Diseases Laboratories at Boston University, joins us to explain how they track the introduction of COVID and remnants of COVID infections over time.