*SOURCE FOR $16.3 BILLION IN LOST EARNINGS: Molinari, N., Ortega-Sanchez, I., Messonnier, M., Thompson, W., Wortley, P., Weintraub, E. and Bridges, C. (2007). "The annual impact of seasonal influenza in the US: Measuring disease burden and costs," Vaccine, 25(27): 5086-5096.
*SOURCE FOR 111 MILLION LOST WORKDAYS: Centers for Disease Control and Prevention, "Expanded NIOSH Seasonal Influenza Web Page Provides Easy Access to Guidance, Highlights Research," https://www.cdc.gov/niosh/updates/upd-03-17-11.html (Accessed 6 Apr. 2021).
*SOURCE FOR 7.5 MILLION FLU ILLNESSES PREVENTED: Centers for Disease Control and Prevention, "Vaccine Effectiveness: How Well Do the Flu Vaccines Work?," https://www.cdc.gov/flu/vaccines-work/vaccineeffect.htm (Accessed 29 Mar. 2021).
*SOURCE FOR 40% TO 60% REDUCTION: Centers for Disease Control and Prevention, "What are the benefits of flu vaccination?" https://www.cdc.gov/flu/prevent/vaccine-benefits.htm (Accessed 29 Mar. 2021).