SPP1 and infection: At the early time point post infection, we focused on the total myeloid-derived (CD45+CD11b+), neutrophil (CD45+CD11b+F4/80-Ly6G+Ly6CloCX3CR1-) and macrophage (CD45+CD11b+F4/80+Ly6G-Ly6C+CD115+CX3CR1+) populating the cornea of WT (Figure 3A) and OPN KO (Figure 3B) mice.