Explore the effectiveness of SARS-CoV-2 infection tracing in Denmark prior to the impact of vaccines in this 55-minute lecture from the Santa Fe Institute. Gain insights into the methods and results of contact tracing efforts implemented during the early stages of the COVID-19 pandemic in Denmark. Analyze the data-driven approach used to assess the efficiency of infection tracking and its role in controlling the spread of the virus. Understand the challenges and successes of Denmark's public health strategies in managing the outbreak before widespread vaccination. Delve into the epidemiological models and statistical analyses employed to evaluate the impact of contact tracing on transmission rates and overall pandemic management.