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Hantavirus in Europe has two very different faces: the endemic Puumala virus carried by bank voles, and the imported Andes virus cluster from the MV Hondius. A full picture of European hantavirus cases in 2026.
Hantavirus outbreak cruise ship week 2 update: Germany's 11th case, Spain's rodent investigation confirms O. longicaudatus excreta in the hold, NEJM publishes case series, WHO issues expedition vessel guidance. Everything from May 13, 2026.
How does hantavirus spread? On land it's rodent excreta. On the MV Hondius it was both — plus possible person-to-person transmission. A full breakdown of the Hondius transmission chain and what it reveals.
The short answer is: almost never — with one critical exception. Here is what the science says about hantavirus transmission, the Andes virus exception, and what the 2026 MV Hondius cluster tells us.
The CDC's complete guidance on Andes virus — the most dangerous hantavirus strain. Covers transmission, symptoms (4–42 day incubation), reducing risk, and why early medical care is critical. Updated for the 2026 MV Hondius outbreak.
Not all hantaviruses are equally deadly. This data-driven breakdown compares case fatality rates across every major hantavirus strain, explains why the numbers differ so dramatically, and puts the 2026 MV Hondius outbreak in statistical context.
What are the symptoms of hantavirus — and when do they appear? This day-by-day timeline covers every stage from first exposure to cardiopulmonary crisis, with clear thresholds for when to seek emergency care.
In the United States, hantavirus means Sin Nombre virus and Hantavirus Pulmonary Syndrome. Here is what emergency physicians and hospitalists actually see when a case walks through the door — and how they distinguish it from flu, COVID, and pneumonia.