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. 2022 Jun 13;10(6):937. doi: 10.3390/vaccines10060937

Figure 3.

Figure 3

Antibody levels obtained at 21-, 42- and 180-days post-vaccination, following stratification into 4 different groups according to their age (P = NS (Group 60–69 versus 70–79, 80–89, >90 years old at all time periods analyzed) (ANOVA)).