Association of plasma zinc levels with anti-SARS-CoV-2 IgG and IgA seropositivity in the general population: A case-control study.

Clin Nutr · 2023 · PMC10110932 · PMID 37130500

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did not reach statistical significanceno p-value reported

Concerning covariables, IgG and IgA seropositivity were positively associated with BMI and negatively associated with smoking in the case–control analyses, but these associations did not reach statistical significance in close contacts, although keeping the same directionality.

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