Flannery, B., Smith, C., Garten, R., Levine, M., , Jackson, M., … Fry, A. (2018). Influence of Birth Cohort on Effectiveness of 2015-2016 Influenza Vaccine Against Medically Attended Illness Due to 2009 Pandemic Influenza A(H1N1) Virus in the United States. The Journal of Infectious Diseases. https://doi.org/10.1093/infdis/jix634 (Original work published 2018)