1. From the Infectious Diseases Unit (E.B.-C.), the Adult Nephrology Unit (L.S., A.B.), and the Department of Hematology (A.T.), Shaare Zedek Medical Center, Hebrew University–Hadassah School of Medicine, and the Department of Clinical Microbiology and Infectious Diseases, Hadassah–Hebrew University Medical Center (M.K.) — both in Jerusalem.