COVID-19 Breakthrough Infections in Vaccinated Patients With CLL in Israel. Issue 2 (25th February 2023) - Yekutiel, Naama; Chodick, Gabriel; Tene, Lilac; Bronstein, Yotam; Grunspan, Moshe; Rivlin, Noa; Ofek, Keren; Cohen, Raanan; Raskin, Leon; Komlosi, Viktor; Herishanu, Yair