Hemophagocytic lymphohistiocytosis may occur in patients with genetic predisposition and in sporadic cases due to malignancy or infection. We describe a 49-year old man with hemorrhagic fever, type 1
* Significant clusters with PSpatiotemporal clusters of hemorrhagic fever with renal syndrome in mainland China, during 2005–2012, detected using Kulldorff's spatiotemporal scan statistics*.