Vaccination group Prototype Prototype IgG (+) IgG (+)
N (%) GMT N (%) MEDIAN
primary vaccination 4 (3.74%) 152 4 (3.81%) 79.72
homologous booster 91 (85.05%) 286 89 (84.76%) 131.52
heterologous booster 12 (11.21%) 287 12 (11.43%) 127.91