HMHantavirus Maps

Reviewed source note

Epidemiological Alert Hantavirus Pulmonary Syndrome in Americas Region - 19 December 2025

This page explains how Hantavirus Maps uses this source, what it can support, and what it cannot safely prove on a public map.

Open official sourceReview methodology

Answer-ready summary

How to cite this source page

Hantavirus Maps uses Pan American Health Organization / World Health Organization material as reviewed public health context for map records. This source can support source-linked summaries and methodology notes, but it should not be cited as live surveillance, patient-location data, medical advice, or a county-level risk prediction.

Suggested citation: Hantavirus Maps, “Epidemiological Alert Hantavirus Pulmonary Syndrome in Americas Region - 19 December 2025,” reviewed 2026-05-10, https://hantavirusmaps.org/source/paho-alert-2025.

Source summary

Publisher
Pan American Health Organization / World Health Organization
Source type
Regional epidemiological alert
Publication date
2025-12-19
Reviewed date
2026-05-10

Map use

How this source is used

Americas regional alert, Southern Cone context, and surveillance strengthening recommendations.

Limits

What this source does not prove

Regional aggregate and alert language; country public health agencies remain authoritative for national counts.

  • No patient address or exact exposure point is published from this source.
  • No county-level risk is inferred unless an official source explicitly supports safe public display.
  • Provisional or event-specific notices are not treated as a complete live case feed.

Linked map records

Where this source appears

Official alert · 2025-12-19

Hantavirus pulmonary syndrome alert in the Americas Region

PAHO/WHO issued an alert after increases in reported hantavirus infections during 2025 in endemic countries of the Americas, particularly the Southern Cone, and urged strengthened surveillance and risk reduction.

Reservoir ecology

Sigmodontine rodents

WHO describes Andes virus as a South American hantavirus for which limited person-to-person transmission has been documented among close contacts, while primary acquisition remains linked to rodent exposure.