Influenza Vaccine Effectiveness Against 2009 Pandemic Influenza A(H1N1) Virus Differed by Vaccine Type during 2013-2014 in the United States

Manjusha Gaglani, Jessica Pruszynski, Kempapura Murthy, Lydia Clipper, Anne Robertson, Michael Reis, Jessie R. Chung, Pedro A. Piedra, Vasanthi Avadhanula, Mary Patricia Nowalk, Richard K. Zimmerman, Michael L. Jackson, Lisa A. Jackson, Joshua G. Petrie, Suzanne E. Ohmit, Arnold S. Monto, Huong Q. McLean, Edward A. Belongia, Alicia M. Fry, Brendan Flannery