https://nova.newcastle.edu.au/vital/access/ /manager/Index en-au 5 https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:7296 10 years (37.8%) (p < 0.01). Geometric mean concentrations of serum IgG antibodies against serogroup C showed a similar variation. The results indicate that serum bactericidal antibody titers significantly correlate with age of vaccination; most children do not have protective antibody titers few years after immunization in infancy and childhood whereas most adolescents maintain sustained protection.]]> Sat 24 Mar 2018 08:42:10 AEDT ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:19900 Sat 24 Mar 2018 08:03:48 AEDT ]]>