Inclusion Criteria:  Belongs to moderate case Diagnosed using PCR test Showing a vitamin D deficiency (<30 ng/dL).  Exclusion Criteria  Pregnant or doing breastfeeding Patient under specific medication (Tuberculosis, or HIV, or malignancy) or undergo hemodialysis Receive vitamin D supplementation prior to allocation. Tested negative less than 5 days after receiving vitamin D Creatinine >2,0 mg/dL Blood Calcium >10,5 mg/dL. Ventilated Hypersensitive to vitamin D Consistent desaturation <85% with oxygen supplementation and require High-Flow Nasal Cannula (HFNC)/Extracorporeal membrane Oxygenation (ECMO) via a ventilator. Refuse to attend blood examination for follow up