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⚠Situational awareness tool — not an operational trigger. Any mobilization requires direct WHO verification and validation through your institutional protocol.

LOW RISK2026-DON604

Hantavirus

📍 Multiple countries

All Hantavirus outbreaks →

Confirmed cases

Deaths

Case fatality rate

23.1%

Cumulative cases since outbreak start — WHO DON bulletin dated 2026-05-27

Report date : 2026-05-27

Official report date — in isolated zones, field onset typically precedes this by days to weeks.

Region : americas

Cruise ship MV Hondius cluster (Argentina-linked): 13 cases (11 confirmed, 2 probable), 3 deaths, CFR 23%. Cases from UK, Netherlands, Canada, Spain as of 27 May 2026.

Case trend

Focal Point GuidanceSTANDARD MONITORING

First actions

→Log in national surveillance system — continue routine monitoring
→Compare with seasonal baseline for this region and disease
→Include in weekly surveillance briefing — escalate if trend worsens (▲ cases or CFR)

Source: WHO DON↗

🔄Last checked by HealthWatch : 21h ago

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Cite this page (Vancouver)

HealthWatch Global. Hantavirus outbreak — Multiple countries [Internet]. 2026-05-27 [cited 2026 Jun 26]. Available from: https://healthwatch-global.com/en/outbreak/63201cce-539f-4239-be62-08176c54c544. Data source: WHO DON.

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