Abstract:Background: Vitamin D deficiency is an emerging public health problem that affects more than one billion people worldwide. Vitamin D has been shown to be effective in preventing and reducing the severity of viral respiratory diseases, including influenza. However, the role of vitamin D in COVID-19 infection remains controversial. This study aimed to analyze the impact of vitamin D deficiency on the clinical outcome of hospitalized COVID-19 patients. Methods: A prospective cohort study was conducted among hospi… Show more
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