inclusion criteria: * admitted to the respiratory or internal medicine units of santiago hospital (hua) due to pneumonia. * vitamin d deficiency (25(oh) defined by blood levels below 30 mg/ml. * possibility for observation during the treatment period. * signing of written consent (oral informed consent exceptionally). * positive pcr for diagnosis of sars-cov2 infection

inclusion criteria: * admitted to the respiratory or internal medicine units of santiago hospital (hua) due to pneumonia. * vitamin d deficiency (25(oh) defined by blood levels below 30 mg/ml. * possibility for observation during the treatment period. * signing of written consent (oral informed consent exceptionally). * positive pcr for diagnosis of sars-cov2 infection

inclusion criteria: - admitted to the respiratory or internal medicine units of santiago hospital (hua) due to pneumonia. - vitamin d deficiency (25(oh) defined by blood levels below 30 mg/ml. - possibility for observation during the treatment period. - signing of written consent (oral informed consent exceptionally). - positive pcr for diagnosis of sars-cov2 infection

inclusion criteria: - admitted to the respiratory or internal medicine units of santiago hospital (hua) due to pneumonia. - vitamin d deficiency (25(oh) defined by blood levels below 30 mg/ml. - possibility for observation during the treatment period. - signing of written consent (oral informed consent exceptionally). - positive pcr for diagnosis of sars-cov2 infection