Hoogenboom WS, Fleysher R, Soby S, Mirhaji P, Mitchell WB, Morrone KA, Manwani D, Duong TQ. Individuals with sickle cell disease and sickle cell trait demonstrate no increase in mortality or critical illness from COVID-19 - a fifteen hospital observational study in the Bronx, New York. Haematologica 2021;106(11):3014-3016; https://doi.org/10.3324/haematol.2021.279222.