SARS-CoV-2 mucosal antibody development and persistence and their relation to viral load and COVID-19 symptoms.

Nat Commun · 2021 · PMC8460778 · PMID 34556667

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did not reach statistical significanceno p-value reported

Although IgA-N showed a similar response pattern, this did not reach statistical significance, presumably due to high variation in the pre-pandemic control samples.

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