Figure 5From: Host immunity in the protective response to nasal immunization with a pneumococcal antigen associated to live and heat-killed Lactobacillus caseiSurvival of young mice intraperitoneally challenged with 108 cells of S. pneumoniae serotype 14 nasally immunized with PppA and PppA+LcV and PppA+LcM. Mice nasally given PBS were used as control (14 mice/group).Back to article page