Fiorcari S, Atene CG, Maffei R, Debbia G, Potenza L, Luppi M, Marasca R. Ibrutinib interferes with innate immunity in chronic lymphocytic leukemia patients during COVID-19 infection. Haematologica 2021;106(8):2265-2268; https://doi.org/10.3324/haematol.2020.277392.