Reed, C., Biggerstaff, M., Finelli, L., et al. (2013). Novel Framework for Assessing Epidemiologic Effects of Influenza Epidemics and Pandemics. Emerging Infectious Diseases. 19(1):85-91.
This article describes the Centers for Disease Control and Prevention’s framework for classifying pandemic severity. The authors describe the four-step process used to develop the framework and how it can be used for an initial assessment in the early stages of a pandemic and a refined assessment once additional data become available.