Use of PCV13 (13-valent pneumococcal conjugate vaccine) in older adults is estimated to have the potential to reduce total healthcare costs by $3.5 billion and total societal costs by $7.4 billion.
Weycker, Derek, Reiko Sato, David Strutton, John Edelsberg, Mark Atwood, et al. Public Health and Economic Impact of 13-Valent Pneumococcal Conjugate Vaccine in U.S. Adults Aged > 50 Years. Vaccine. 2012; 30(36): 5437-44. http://www.sciencedirect.com/science/article/pii/S0264410X12008286