“…These manifestations have been reported since the beginning of the pandemic with significant frequency, although the cause-effect correlation cannot always be clearly determined. There are points of disagreement about the biological impact of COVID-19 in individuals with sickle cell disease, but most authors seem to agree that SARS-CoV-2 can act as a trigger for vaso-occlusive crises and acute chest syndrome ( 14 , 29 , 30 , 32 , 34 , 37 , 39 , 42 , 43 , 45 , 46 , 67 , 71 , 72 , 74 , 75 , 77 , 79 , 82 , 84 , 86 , 90 , 92 , 98 , 104 , 106 , 109 , 112 , 118 ). Explanations for this are grounded in empirical data and well-established knowledge about the mechanisms by which infections trigger complications of sickle cell disease.…”