Global Rodent Map

Andes orthohantavirus (ANDV)

Region

Argentina, Chile (southern South America)

Reservoir

Long-tailed pygmy rice rat (Oligoryzomys longicaudatus)

CFR

~25–40%

Only hantavirus with documented person-to-person transmission. Suspected strain in MV Hondius outbreak.

Sin Nombre orthohantavirus (SNV)

Region

United States, Canada, Mexico

Reservoir

Deer mouse (Peromyscus maniculatus)

CFR

~36% (US)

Most common cause of hantavirus pulmonary syndrome (HPS) in North America. Identified during the 1993 Four Corners outbreak.

Puumala orthohantavirus (PUUV)

Region

Northern and central Europe (Finland, Germany, France, Sweden)

Reservoir

Bank vole (Myodes glareolus)

CFR

<0.5%

Causes a milder form of HFRS known as nephropathia epidemica. Most common hantavirus in Europe.

Seoul orthohantavirus (SEOV)

Region

Worldwide (urban)

Reservoir

Brown rat (Rattus norvegicus)

CFR

~1–2%

Spread globally via the brown rat. Documented outbreaks linked to pet-rat breeders.

Hantaan orthohantavirus (HTNV)

Region

East Asia (Korea, China, Russian Far East)

Reservoir

Striped field mouse (Apodemus agrarius)

CFR

~5–15%

Severe form of HFRS. Originally identified after the Korean War; gave the family its name.

Dobrava-Belgrade orthohantavirus (DOBV)

Region

Balkans, Eastern Europe

Reservoir

Yellow-necked field mouse (Apodemus flavicollis)

CFR

~10–12%

Causes severe HFRS in the Balkans.