PMID: Clin Nutr ESPEN. 2021 06 ;43:276-282. Epub 2021 Apr 18. PMID: 34024527 Abstract Title: Serum vitamin D, calcium, and zinc levels in patients with COVID-19. Abstract: BACKGROUND AND AIM: COVID-19 is a global public health concern. As no standard treatment has been found for it yet, several minerals and vitamins with antioxidants, immunomodulators, and antimicrobials roles can be sufficient for the immune response against the disease. The present study evaluates the serum vitamin D, calcium, and Zinc levels in patients with COVID-19.MATERIALS & METHODS: This research is a case-control study performed in May 2020 on 93 patients with COVID-19 hospitalized in a Shoushtar city hospital and on 186 healthy subjects with no symptoms of COVID-19. The serum vitamin D, calcium, and zinc levels were collected and analyzed using correlation coefficient and independent t-test via SPSS 18.RESULTS: Vitamin D levels had a significant difference between the case and control groups (p = 0.008). Serum calcium and serum zinc levels also had statistically significant differences between the two groups (p
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