Publication date: Sep 12, 2025
Vitamin D plays a role in immune regulation and may influence COVID-19 outcomes. This study examined the association between serum vitamin D levels with COVID-19 infection and mortality in symptomatic patients in Taiwan. This retrospective cohort study included symptomatic patients who underwent COVID-19 real-time polymerase chain reaction (RT-PCR) assay between 2020 and 2023. Serum 25-hydroxyvitamin D (25(OH)D) levels were categorized as deficient (
| Concepts | Keywords |
|---|---|
| 25ohd | COVID-19 infection |
| Deficient | Mortality |
| Hydroxyvitamin | Retrospective |
| Polymerase | Vitamin D deficiency |
| Taiwanese |
Semantics
| Type | Source | Name |
|---|---|---|
| drug | DRUGBANK | Vitamin D |
| disease | MESH | COVID-19 |
| disease | MESH | infection |
| disease | IDO | role |
| disease | IDO | assay |
| disease | MESH | Long Covid |
| disease | MESH | Vitamin D deficiency |
Original Article
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