Go online to PeerView.com/DMP860 to view the activity, download slides and practice aids, and complete the post-test to earn credit. In this activity, an expert in hypereosinophilic syndrome discusses the burden, symptoms, and differential diagnosis of the disease, as well as the latest data on treatment. Upon completion of this CE activity, participants will be able to: Describe the burden of hypereosinophilic syndrome (HES) on patients, including the consequences of underdiagnosed and undertreated HES, Explain the role of eosinophils in the pathophysiology of HES, Identify features of HES that differentiate the diagnosis from other eosinophilic disorders, Develop treatment plans for patients with HES based on subtype and the latest clinical evidence.