Global Hantavirus Risk Zones
Last updated: May 24, 2026 · Sources: WHO, ECDC, CDC, PAHO
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Hover over a country to see the risk level, circulating virus, and Hondius outbreak connection. Risk levels based on WHO, ECDC and national health authority data.
Risk by region
Level 5 — Very high
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Argentine Patagonia — 104 cases 2025–2026 · Andes virus (ANDV)
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Chilean Patagonia — 41 cases, 13 deaths 2026 · 33% CFR
Level 4 — High
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Western United States — Sin Nombre virus · 5 states monitoring (Hondius)
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Central Brazil — Araraquara, Anajatuba strains
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East Asia (China, South Korea) — Hantaan, Seoul viruses
Level 3 — Moderate–High
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Germany (Bavaria) — Puumala · 2026 season above average
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France — Puumala · Hondius contacts cleared
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Russia — Puumala, Amur strains
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Paraguay (Chaco) — Laguna Negra strain
Level 2 — Moderate
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Central Europe (Poland, Czech Rep., Slovakia) — Puumala, Dobrava
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Balkans (Serbia, Croatia, Bosnia) — Dobrava-Belgrade
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Scandinavia — Puumala · cyclical outbreaks
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Japan — Seoul (sporadic)
Level 1 — Low
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Spain — Seoul (sporadic) · Hondius monitoring closed
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United Kingdom — Seoul imported · Hondius surveillance active
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Canada — Puumala sporadic · Hondius passengers cleared
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Singapore — Hondius contacts cleared May 12