A hantavirus strain that causes deadly respiratory disease in humans may be more prevalent among rodents in Pacific Northwest, new study says.

The critters were carrying the Sin Nombre variant of hantavirus, which can be spread from rodents to humans, but not from one person to another

Nearly one in three rodents in northwest US may be infected by deadly virus

A hantavirus strain that causes deadly respiratory disease in humans may be more prevalent among rodents in Pacific Northwest, new study says.