Silver Book Fact
Over 6 years, flu vaccine prevented ~13 million cases
Over a 6-year period (2005 – 2011), the influenza vaccine prevented an estimated 13 million influenza cases–between 1.1 million and 5 million annually.
Kostova D, Reed C, Finelli L, Cheng P, et al. Influenza Illness and Hospitalizations Averted by Influenza Vaccination in the United States, 2005-2011. PLoS ONE. 2013; 8(6): e66312. doi:10.1371/journal.pone.0066312. http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0066312