Induction of Humoral and Cellular Immunity After SARS-CoV-2 JN.1 Vaccination in Individuals With and Without Prior Infection.

An exception was correlations between IgG toward the parental strain and neutralizing antibody titers toward the more distantly related variant KP3.1.1, which did not reach statistical significance (Figure 3C ). 2.5 Correlation Between Cellular and Humoral Immunity and Confounding Factors We also analyzed correlations between IgG and neutralizing antibody toward the parental strain and the SARS‐CoV‐2 variants with respective spike‐specific CD4 and CD8 T‐cell levels.

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