Silver Book Fact
Hospitalization rate from flu epidemics
Every influenza epidemic, between 55,000 and 431,000 Americans are hospitalized, with a mean annual hospitalization rate of 226,000.
Thomas C, Ryan M, Chapman J, Stason W, et al. Incidence and Cost of Pneumonia in Medicare Beneficiaries. Chest. 2012; 142(4): 973-81. http://journal.publications.chestnet.org/article.aspx?articleid=1215975