Immune responses induced by primary vaccination with the PHiD-CV Commercial lot were non-inferior to the Phase III Clinical lot in terms of adjusted antibody geometric mean concentration ( GMC ) ratios for each vaccine pneumococcal serotype and protein D. For each vaccine pneumococcal serotype , 93.6 % and 88.5 % of infants from Malaysia and Singapore had post-primary vaccination antibody concentrations 0.2 g/mL and OPA titres 8 , in the Clin and Com groups , respectively .