PMC

Anti-LTK63 specific IgG and IgA in serum (µg/mL, (A)) and nasal lavage (ng/mL, (B)) measured by ELISA. Time course for individual response of Case 1 (left figures) and Case 2 (right figures) shown as blue lines. Response of remainder of group shown as group mean: for Case 1 (closed circles) n = 4; for Case 2 (who received only one dose) n = 15 receiving three doses (closed circles), and n = 4 receiving one dose (open circles). Error bars indicate SEM. Immunization days 0, 28, and/or 56 indicated by broad ticks crossing x-axis.