Active immunisation of infants & childn from 6 wk-5 yr against disease caused by S pneumoniae serotypes 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F, 23F & cross-reactive serotype 19A (including sepsis, meningitis, pneumonia, bacteraemia & acute otitis media) & against acute otitis media caused by non-typeable H influenzae.