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ECDC hantavirus in Europe: latest surveillance background and the May 2026 cruise ship update

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What ECDC publishes for EU and EEA hantavirus work: annual reports and atlas-style tools, what the 2023 annual report actually says about reported cases, and how ECDC treated the May 2026 Andes virus cluster on MV Hondius. We do not pretend there is one finished “Europe 2025 to 2026 total” sitting in a single dashboard.

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Graphic for this article only. Medical facts are cited in the Sources section; this image is not a clinical diagram.

If you searched for something like “ECDC epidemiological update 2026,” you may expect one live number for all of Europe. ECDC usually rolls hantavirus into scheduled surveillance products first, then spins up outbreak pages when a big event needs a European angle. Below we keep those two tracks separate so you can cite the agency fairly.

Where ECDC lists routine European surveillance

ECDC hosts a “Surveillance and updates for hantavirus” landing page that links to Annual Epidemiological Reports and to the Surveillance Atlas of Infectious Diseases. That page is the correct starting point if you want official European reporting context rather than news headlines.

What the latest annual report says (2023 data, published March 2025)

ECDC’s “Hantavirus infection - Annual Epidemiological Report for 2023” was published on 7 March 2025. The report states it is based on 2023 data retrieved from The European Surveillance System (TESSy) on 6 November 2024. For 2023, the report states that 28 EU and EEA countries reported 1 885 cases of hantavirus infection, equal to 0.4 cases per 100 000 population. It notes that 2023, along with 2020, marked the lowest notification rate recorded over the 2019 to 2023 period, with overall notification rates fluctuating between 0.4 and 1.1 per 100 000 in that window, and that Finland and Germany accounted for 60.5 percent of reported cases. Prevention themes in the same report emphasize rodent control, avoiding contact with rodent excreta, and disinfecting contaminated areas.

May 2026: ECDC’s outbreak page for MV Hondius

ECDC’s dedicated page “Andes Hantavirus outbreak in cruise ship, May 2026” explains that ECDC was notified on 2 May 2026 of a cluster of severe respiratory illness on MV Hondius, a Dutch-flagged cruise ship with passengers and crew from 23 countries, including nine EU and EEA countries. ECDC states the page is updated once daily and that data reflect the situation as of 14:00 on the date of publication. As of 9 May 2026 on that publication cycle, ECDC listed eight reported cases (six confirmed, two probable), three deaths, identified Andes hantavirus, described measures on board to reduce transmission likelihood, and assessed risk to the EU and EEA general population as very low.

Formal assessment and passenger-management advice

ECDC published a formal assessment on 6 May 2026 titled “Hantavirus-associated cluster of illness on a cruise ship: ECDC assessment and recommendations.” That document goes deeper than the daily counter. On 9 May 2026 ECDC also posted rapid scientific advice on managing passengers during the Andes virus outbreak on MV Hondius, plus a short news item on the same theme. Those are the pages people mean when they ask about a “risk assessment.”

How this connects to WHO and CDC

The cruise event is multinational. WHO’s Disease Outbreak News and WHO’s 7 May briefing describe global coordination and case reporting at WHO’s level. CDC’s “Current Situation” page dated 8 May 2026 adds United States-specific risk language, including that no U.S. Andes cases had been attributed to the outbreak as of that page date. For a single timeline that already mixes WHO and ECDC primary texts on this site, see May 2026 outbreak.

Research note

The numbers above come from ECDC and the linked agencies as we read them on 9 May 2026. ECDC refreshes its outbreak hub daily, so open the live page before you quote a case count.

This article summarizes public sources for general information. It is not medical advice and does not replace guidance from your clinician or health authority.

Sources cited in this article

Facts in this article are tied to the authorities and outlets below. Open each link for the most current wording.

  1. ECDC - Surveillance and updates for hantavirus (source date or page note: Retrieved 9 May 2026)
  2. ECDC - Hantavirus infection - Annual Epidemiological Report for 2023 (source date or page note: 7 March 2025)
  3. ECDC - Andes Hantavirus outbreak in cruise ship, May 2026 (surveillance and updates hub) (source date or page note: Retrieved 9 May 2026 (daily update model))
  4. ECDC - Hantavirus-associated cluster of illness on a cruise ship: ECDC assessment and recommendations (source date or page note: 6 May 2026)
  5. ECDC - Rapid Scientific Advice on the management of passengers - In the context of the Andes virus outbreak on the cruise ship MV Hondius (source date or page note: 9 May 2026)
  6. ECDC - ECDC publishes guidance for the management of passengers linked to the Andes hantavirus outbreak on cruise ship (source date or page note: 9 May 2026)
  7. WHO - Disease Outbreak News: Hantavirus cluster linked to cruise ship travel (multi-country) (source date or page note: 4 May 2026 (corrigendum note 5 May 2026))
  8. CDC - Hantavirus: Current Situation (source date or page note: 8 May 2026)