Hantavirus Variants

Major strains, regions, and mortality rates

Andes

South America (Argentina, Chile)
Mortality
~40%
Disease
HPS

The Andes hantavirus is unique for its documented person-to-person transmission.

Sin Nombre

United States, Canada, Mexico
Mortality
25–38%
Disease
HPS

Carried by deer mice, Sin Nombre virus is responsible for most HPS cases in North America.

Seoul

Worldwide (urban)
Mortality
<1%
Disease
HFRS

Spread by rats in cities globally. Causes a milder form called HFRS.

Puumala

Northern Europe, Russia
Mortality
<0.4%
Disease
HFRS

Carried by bank voles. Causes a milder HFRS form known as nephropathia epidemica.

Dobrava

Balkans, Eastern Europe
Mortality
5–15%
Disease
HFRS

Carried by yellow-necked field mice. Causes the most severe form of HFRS in Europe.