Breadcrumb All SHP Publications Journal Articles American Journal of Public Health 99 Effects of Ongoing Epidemic and Vaccine Supply on the Annual Influenza Vaccination Rate and Vaccination Timing among the Medicare Elderly: 2000-2005 Byung-Kwang (BK) Yoo, Kasajima M, Fiscella K, Bennett N, Phelps CE, Szilagyi PG October 1, 2009 All SHP Publications