Fig. 2. Relative uptake of LAIV among children aged 2–8 years receiving influenza vaccine by Immunization Information System sentinel sites—2008–2014.
The per-centage of pediatric LAIV recipients was defined as the number of 2–8 year olds who received one or more doses of LAIV without IIV or unknown formulations, among children who received any influenza vaccine of any formulation.