Pandemic Watch
Hantavirus in Paraguay PY
Paraguay is the type locality for Laguna Negra virus, an HPS-causing hantavirus carried by the small vesper mouse. Cases concentrate in the Chaco region.
Circulating strains
Hantavirus strains documented in Paraguay. HPS = Hantavirus Pulmonary Syndrome (Americas, predominantly fatal lung involvement). HFRS = Hemorrhagic Fever with Renal Syndrome (Eurasia, kidney involvement).
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- Rodent reservoir
- Long-tailed pygmy rice rat (Oligoryzomys longicaudatus)
- Case-fatality rate
- 35-40%
- Person-to-person spread
- Documented
The only hantavirus with documented person-to-person transmission. Andes virus clusters trigger contact-tracing and isolation responses other hantaviruses do not.
Past outbreaks involving Paraguay
- 1997 - Hantavirus Pulmonary Syndrome in the Americas 2021-06-08 archived
See the complete hantavirus outbreak history for Paraguay — year-grouped, with case counts and per-bulletin briefings.
