Geometric mean titres for antibodies to poliovirus type 1, 2, and 3
↵4-150 p < 0.05 (A v B);
↵4-151 p < 0.05 (B v C);
↵4-152 p < 0.05 (Av C); all significance values follow Bonferroni's correction for multiple comparisons.
A, group A (n = 50); B, group B (n = 52); C, group C (n = 35); ND, not done.