[viruses]
   Realm Riboviria
     Phylum Negarnaviricota
       Subphylum Polyploviricotina
         Class Ellioviricetes [monotypic]
           Order Bunyavirales
             Family Hantaviridae
               Subfamily Mammantavirinae
                 Genus Orthohantavirus
                   Puumala orthohantavirus