Abstract Background There is an urgent need for highly efficacious antiviral therapies in immunosuppressed hosts who develop coronavirus disease (COVID-19). with special concern for those affected by hematological malignancies. Case presentation Here. we report the case of a 75-year-old male with chronic lymphocytic leukemia who was deficient in CD19+CD20+ B-lymphocyte populations due... https://www.soiebiologique.com/