; (ii) working with partners to improve health outcomes of people with sickle cell disease over their lifespan by promoting guidelines for sickle cell disease screening, prevention, and treatment, including management of sickle cell disease complications; (iii) providing support to community-based organizations and State and local health departments in conducting sickle cell disease education and training activities for patients, communities, and health care providers; and (iv) supporting and training State health departments and regional laboratories in comprehensive testing to identify specific forms of sickle cell disease in people of all ages; and (C) to identify and evaluate promising strategies for prevention and treatment of sickle cell disease complications, including through— (i) improving estimates of the national incidence and prevalence of sickle cell disease, including estimates about the specific types of sickle cell disease; (ii) identifying health disparities related to sickle cell disease; (iii) assessing the utilization of therapies and strategies to prevent complications related to sickle cell disease