Temporal dynamics of IgM and IgG after COVID-19 vaccination: a pilot cohort study on breakthrough infections.

Clin Exp Vaccine Res · 2026 · PMC12876921 · PMID 41660218

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did not reach statistical significanceno p-value reported

For instance, at Day 7, IgM levels rose modestly (0.6038±0.0347, p=0.1518) but did not reach statistical significance.

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