Silver Book Fact
Tremendous impact of flu epidemics

Flu epidemics in the U.S. lead to approximately:
- 600,000 life years lost
- 3,000,000 days of hospitalization
- 30,000,000 outpatient visits
- 48,000 deaths
Molinari N, Ortega-Sanchez I, Messonnier M, Thompson W, et al. The Annual Impact of Seasonal Influenza in the U.S.: Measuring disease burden and costs. Vaccine. 2007; 25: 5086-96. http://download.thelancet.com/flatcontentassets/H1N1-flu/epidemiology/epidemiology-14.pdf