LANCET CHILD & ADOLESCENT HEALTH, cilt.2, sa.5, ss.338-349, 2018 (SCI-Expanded)
Background Despite the importance of vaccinating children younger than 5 years, few studies evaluating vaccine prevention of influenza have been reported in this age group. We evaluated efficacy of an inactivated quadrivalent influenza vaccine (IIV4) in children aged 6-35 months.