[Virus--the causative agent of hemorrhagic fever with renal syndrome--a new representative of the family Bunyaviridae].

Physicochemical characteristics (sedimentation coefficient, buoyant density of particles, as well as ribonuclein of these particles) and morphology of the causative agent of hemorrhagic fever with renal syndrome were found to be similar to those of the other members of the Bunyaviridae family.