Presence of rubella-specific hemagglutination inhibition (HAI) or enzyme immunoassay antibodies after nine months of age is diagnostic of congenital infection. [36] The prevention of congenital ...

Immunogenicity was assessed by hemagglutination-inhibition (HI) prevaccination and 28 days after each vaccination. Immunogenic non-inferiority QIV versus TIV for shared strains, and superiority ...