50,000 adults each year http://www.nfid.org/about-vaccines/reasons according to National Foundation of Infectious Disease http://www.nfid.org/about-vaccines/reasons Top Reasons to Get Vaccinated http://www.nfid.org/about-vaccines/reasons http://www.nfid.org/about-vaccines/reasons http://www.nfid.org/about-vaccines/reasons one website’s list list