DISTINCT SUBGROUP OF PATIENTS WITH UNMUTATED IGHV1-69 CHRONIC LYMPHOCYTIC LEUKEMIA AFFECTED WITH COVID19 INFECTION - SINGLE CENTER EXPERIENCE - Trajkova, Sanja; Krstevska Balkanov, Svetlana; Pivkova Veljanovska, Aleksandra; Ridova, Nevenka; Stojanoski, Zlate; Stojanovska, Simona; Kocoski, Bozidar; Chadievski, Lazar; Paunovska, Andrea; Panovska Stavridis, Irina (Faculty of Medicine, Ss. Cyril and Methodius University in Skopje, 2025)