Flow cytometry data showed that CD11c+MHCII+ DCs and CD11b+ myeloid innate immune cells were recruited to the airway BAL fluids (Figure 8A) and lungs (Figure 8B) in LAIV-vaccinated mice, particularly in the homo prime boost H1N1 group at significantly higher levels than unvaccinated naïve mice after challenge infection. This evidence concerns the gene ITGAX and infection.