Severe COVID-19 infection in a patient with paroxysmal nocturnal hemoglobinuria on eculizumab therapy. Issue 6 (12th May 2021) - Genthon, Alexis; Chiarabini, Thibault; Baylac, Pierre; Valin, Nadia; Urbina, Tomas; Pacanowski, Jérome; Mekinian, Arsène; Brissot, Eolia; M.'Hammedi-Bouzina, Fella; Lapusan, Simona; Mohty, Mohamad; Lacombe, Karine; et al.