HPSLast updated 2026-05-21
Hantavirus in Chile
Andes virus is endemic to southern Chile, where it accounts for the majority of HPS cases. The Ministerio de Salud operates targeted rodent-control programs that have reduced incidence in recent years.
Cumulative Cases
939
Deaths
303
CFR
32.3%
Global Rank
#9
by case count
Circulating Strains
- ●Andes virus (ANDV)
Primary syndrome: Hantavirus Pulmonary Syndrome (HPS).
Reservoir Species
- • Long-tailed pygmy rice rat (Oligoryzomys longicaudatus)
Most Affected Regions
- • Aysén
- • Los Lagos
- • Los Ríos
- • Biobío
Country-specific Risk & Prevention
Outdoor cabins, woodpiles, and forested areas during summer carry elevated risk. National guidance emphasises ventilating spaces and wet-cleaning excreta.
General prevention: see symptoms and prevention guidance →
Field Notes
Andes virus. Southern Chile, particularly Aysen and Los Lagos regions. 2026 (through May): 39 confirmed cases, 33% case fatality rate — already approaching the full-year 2025 total of 44 cases (UPI, May 2026).