recently reported a favorable outcome of an acute chest syndrome (ACS) related to a SARS-Cov-2 infection treated with tocilizumab (TCZ), in a 45-year-old male patient with homozygous sickle cell disease (SCD). Following this successful observation, TCZ was administered to a teenage girl with SCD who developed a severe COVID-19 associating ACS and pulmonary embolism. This 16-year-old girl has a severe form of homozygous SCD with bilateral ischemic retinopathy. Given the recurrence of vaso-occlusive crises and abnormal transcranial doppler evaluations, she was treated with exchange transfusions from 5 to 11 years old, switched thereafter for hydroxyurea (22 mg/kg/day), with a favorable clinical outcome on vaso-occlusive events. She had no history of ACS or pulmonary hyper-
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