ny060524121807
Kendric Cromer, 12, the first commercial patient for Bluebird Bio's gene therapy to cure his sickle cell disease, begins his treatment at Children's National Hospital in Washington, May 1, 2024. Wednesday?s treatment was only the first step. Doctors removed his bone marrow stem cells, which Bluebird will then genetically modify in a specialized lab for his treatment. (Kenny Holston/The New York Times/Fotoarena)
DC