Pacific NorthwestMODERATE RISK

Hantavirus in Oregon

Comprehensive information about hantavirus cases, risk areas, and prevention resources for State of Oregon.

47

Total Reported Cases

1993-2024

17

Deaths

Fatality Rate: 36.2%

Sin Nombre Virus

Primary Virus Strain

2023

Last Reported Case

Oregon Hantavirus Map

Map showing Oregon location. Endemic areas include: Eastern Oregon High Desert, Central Oregon, Cascade Foothills, Rural Willamette Valley, Klamath Basin.

High-Risk Areas in Oregon

Eastern Oregon High Desert
Central Oregon
Cascade Foothills
Rural Willamette Valley
Klamath Basin

Primary Carrier: Deer Mouse (Peromyscus maniculatus)

Recent Outbreaks & Cases

20232 case(s)

Deschutes County

Cases linked to rural property maintenance

20221 case(s)

Klamath County

Single case associated with barn cleaning

Prevention Tips for Oregon

Risk Level: moderate - Standard precautions recommended, especially in rural settings.

Be cautious when opening seasonal cabins in rural areas
Wear gloves and masks when cleaning outbuildings
Keep woodpiles away from homes
Control rodent populations around rural properties
Avoid disturbing rodent nests in sheds and barns

Oregon Health Resources

Oregon Health Authority

Oregon Poison Center

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Track Hantavirus Cases Nationwide

View our interactive map and statistics dashboard for comprehensive hantavirus data.