March 15, 2021 Causes and outcomes of hypereosinophilia in a tropical country Hypereosinophilia (HE), defined by blood eosinophils > 1.5 × 10^9/L persisting over one month, is commonly found in clinical practice. read more Eosinophil disorders, Eosinophilia, Hypereosinophilia, Hypereosinophilia of undetermined significance, Hypereosinophilic syndrome