Major rise of a chronic lymphoid leukemia clone during the course of COVID‐19. (8th November 2020) - Largeaud, Laetitia; Ribes, Agnès; Dubois‐Galopin, Frédérique; Mémier, Vincent; Rolland, Yves; Gaudin, Clément; Rousset, David; Geeraerts, Thomas; Noel‐Savina, Elise; Rieu, Jean‐Baptiste; Vergez, François