Fig. 9From: Safety and efficacy study of allogeneic human menstrual blood stromal cells secretome to treat severe COVID-19 patients: clinical trial phase I & IILung CT scan. A Significant improvement in lung lesions within 10Â days of starting treatment in a 37-year-old male patient B Significant improvement in lung lesions within 5Â days of starting treatment in a 45-year-old female patientBack to article page