International Journal of Infectious Diseases
December 2017 Volume 65,   In Progress
http://www.ijidonline.com/issue/S1201-9712(17)X0012-X

Original Reports
Patterns of influenza vaccination coverage in the United States from 2009 to 2015
Alice P.Y. Chiu, Jonathan Dushoff, Duo Yu, Daihai He
p122–127
Published online: October 14, 2017