<unk> (HFRS) is a group of clinically similar illnesses caused by hantaviruses from the family Bunyaviridae. HFRS includes diseases such as Korean hemorrhagic fever, epidemic hemorrhagic fever, and nephropathia epidemica. The viruses that cause HFRS include Hantaan, Dobrava, Saaremaa, Seoul, and Puumala.
Hemorrhagic fever with renal syndrome 
Hemolytic-uremic syndrome
Toxic shock syndrome
Relapsing fever
Boutonneuse fever
Blackwater fever
Viral hemorrhagic fever
Argentine hemorrhagic fever