Figure 3

Isotypic profiles of humoral immune responses in mice immunized with bacterial vaccine formulated in different adjuvants. Sera for this assay were diluted 1:200 prior to detection of each isotype. Results are expressed as mean ± SEM. A. Isotypic profiles of anti-E. coli antibodies. B. Relative levels of IgG1 and IgG2a anti-E. coli antibodies C. Isotypic profiles of anti-S. aureus antibodies