HFRSLast updated 2025-11-01

Hantavirus in Finland

Finland has among the highest per-capita HFRS rates worldwide, locally termed nephropathia epidemica. Cases peak in late autumn and early winter when voles enter human dwellings.

Cumulative Cases

1,800

Deaths

8

CFR

0.4%

Global Rank

#6

by case count

Circulating Strains

  • ●Puumala virus (PUUV)

Primary syndrome: Hemorrhagic Fever with Renal Syndrome (HFRS).

Reservoir Species

  • • Bank vole (Myodes glareolus)

Most Affected Regions

  • • Eastern Finland
  • • Central Finland

Country-specific Risk & Prevention

Wood-pile management and avoidance of sweeping in sheds reduces aerosolisation of contaminated dust.

General prevention: see symptoms and prevention guidance →

Field Notes

Puumala virus. Cases fluctuate with rodent population cycles.

Continue exploring

Global case mapSymptoms & syndromesMV Hondius outbreak tracker