Factors associated with anti-SARS-CoV-2 antibody titres 3 months post-vaccination with the second dose of BNT162b2 vaccine: a longitudinal observational cohort study in western Greece.

BMJ Open · 2022 · PMC9121112 · PMID 35589363

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showed a trendno p-value reported

Vitamin D levels showed a trend for a positive association with antibodies titre but not in all quartiles and thus further research is needed.

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