Superior relative efficacy of live attenuated influenza vaccine compared with inactivated influenza vaccine in young children with recurrent respiratory tract infections

Shai Ashkenazi, Andre Vertruyen, Javier Arístegui, Susanna Esposito, David Douglas McKeith, Timo Klemola, Jiri Biolek, Joachim Kühr, Tadeusz Bujnowski, Daniel Desgrandchamps, Sheau Mei Cheng, Jonathan Skinner, William C. Gruber, Bruce D. Forrest