Figure 1 Neutralization experiment results of three variants of
SARS-CoV-2: (A) Neutralizing antibody level of all samples; (B)
Neutralizing antibody level of primary vaccination group; (C)
Neutralizing antibody level of homologous booster group; (D)
Neutralizing antibody level of heterologous booster group.
Table 1 Immune status of different vaccination groups