Figure 3From: Host immunity in the protective response to nasal immunization with a pneumococcal antigen associated to live and heat-killed Lactobacillus caseiMucosal (nasal = NL (A) and bronchoalveolar lavages = BAL (B)) and systemic (serum (C)) T helper type 2 (Th2) cytokines production by young mice immunized with different groups of PppA, Lactobacillus casei (Lc) and PppA+Lc vaccines. (see Fig. 2 for details).Back to article page