2019-nCov (SARA-Cov-2) nucleic acid positive will be detected by PCR in affected patients
older than 17 years old and younger than 76 years old.
No medications or disorders that would affect vitamin D metabolism
Women must be not pregnant at baseline and during study
Ability and willingness to give informed consent and comply with protocol requirements
Ongoing treatment with pharmacologic doses of vitamin D, vitamin D metabolites or analogues
Pregnant or lactating women;
Severe underlying diseases, such as advanced malignant tumor, end-stage lung disease, etc.
History of elevated serum calcium >9.8 mg/dl)
Chronic hepatic or renal failure or patients with reduced kidney function, cancers, and malabsorption syndrome, a granulomatous disorders such as Sarcoidosis or Tuberculosis
Supplementation with over the counter formulations of vitamin D2 or vitamin D3
Use of tanning bed or artificial UV exposure within the last two weeks.
Consuming medication affecting bone metabolism (anti-convulsants, anti-tuberculosis medication, cimetidine, theophylline, and cholestyramine), as well as
those who are following special diets such as vegetarian diet or consuming fortified products regularly.
Subjects with a history of an adverse reaction to orally administered vitamin D, vitamin D metabolites or analogues.
Inability to give informed consent