HemaSphere is the official online, open access journal of EHA. HemaSphere is dedicated to supporting hematology patient care, research, and education worldwide. The journal publishes results of highly relevant and novel basic, translational, and clinical hematology research. In addition to original articles, guidelines, reviews, and controversy articles. HemaSphere is pleased to publish HemaTopics - insightful discussions on hot hematology topics such as research developments, diagnosis and treatment, policy and guidelines news, patient perspective, and more. HemaSphere's 2021 impact factor is 8.3, and the journal is indexed in PubMed Central, Scopus, and Clarivate Analytics’ hematology and clinical medicine categories.