HFRSLast updated 2025-11-15
Hantavirus in South Korea
Hantaan virus was first isolated in South Korea in 1976. Cases concentrate in rural areas and among military personnel near the DMZ. A licensed inactivated vaccine (Hantavax) is available to high-risk groups.
Cumulative Cases
3,500
Deaths
70
CFR
2.0%
Global Rank
#3
by case count
Circulating Strains
- ●Hantaan virus (HTNV)
- ●Seoul virus (SEOV)
Primary syndrome: Hemorrhagic Fever with Renal Syndrome (HFRS).
Reservoir Species
- • Striped field mouse (Apodemus agrarius)
Most Affected Regions
- • Gyeonggi
- • Gangwon
- • DMZ border region
Country-specific Risk & Prevention
Military training and fieldwork in tall grass are recognised risk activities. Hantavax administration is recommended for at-risk occupations.
General prevention: see symptoms and prevention guidance →
Field Notes
Hantaan and Seoul viruses. Cases mainly in rural and military settings.