Figure 5From: Mannan adjuvants intranasally administered inactivated influenza virus in mice rendering low doses inductive of strong serum IgG and IgA in the lungOptimisation of H1N1:mannan ratio and serum haemagglutination inhibition activity. Groups of mice were immunised twice 14 days apart with 1 μg H1N1 mixed with various amounts of mannan, and 14 days after the last immunisation mouse sera were tested for (a) serum IgG antibody, and (b) haemagglutination inhibition activity.Back to article page