In 2020, scientists working on injury analytics expanded to COVID-19 epidemiology to help create and monitor the NBA bubble. Dr. Christina Mack, an epidemiologist with IQVIA Real World Solutions, talks with Dr. Josh Sharfstein about how the team continues to monitor the health and safety of players and staff, and some of the findings with real-world implications such as how long people can shed COVID-19 virus, if people with asymptomatic infections are less likely to transmit COVID, and whether boosters really work.