HPSLast updated 2025-10-01

Hantavirus in Paraguay

Laguna Negra virus circulates in the Chaco region of western Paraguay. Cases occur sporadically, with elevated risk among rural and indigenous communities.

Cumulative Cases

310

Deaths

95

CFR

30.6%

Global Rank

#13

by case count

Circulating Strains

  • ●Laguna Negra virus

Primary syndrome: Hantavirus Pulmonary Syndrome (HPS).

Reservoir Species

  • • Small vesper mouse (Calomys laucha)

Most Affected Regions

  • • Chaco
  • • Boquerón

Country-specific Risk & Prevention

Seasonal flooding can drive rodent populations into human dwellings, raising exposure risk during late summer.

General prevention: see symptoms and prevention guidance →

Field Notes

Laguna Negra virus.

Continue exploring

Global case mapSymptoms & syndromesMV Hondius outbreak tracker