inclusion criteria: - diagnosis of cll was according to the iwcll criteria - all patients received two 30-μg doses of bnt162b2, administered intramuscularly 3 weeks apart. (pfizer).

inclusion criteria: - diagnosis of cll was according to the iwcll criteria - all patients received two 30-μg doses of bnt162b2, administered intramuscularly 3 weeks apart. (pfizer).