In-depth articles from our editorial team — covering outbreaks, clinical science, prevention, and endemic region risk.
Hantavirus 2026 was defined by the MV Hondius cruise ship cluster, the largest internationally distributed Andes HPS event on record. Here is a complete review of what happened this year and what it permanently changed.
The MV Hondius Andes virus outbreak is winding down at 17 cases and 3 deaths. Here is a full account of how the cluster was resolved, what monitoring showed, and which biosafety changes it has made permanent.
The US hantavirus summer season is now open with 24 confirmed HPS cases. June and July carry the highest Sin Nombre virus exposure risk as cabins are opened, rodent populations peak, and outdoor activity surges.
Argentina's 2026 hantavirus season peaked at 120+ cases, nearly all caused by Andes virus in Patagonian provinces. Here is what drove the season, where the burden fell, and what the data says about the annual cycle.
Cleaning mouse droppings the wrong way can release hantavirus into the air. The CDC hantavirus cleanup protocol uses wet disinfection, gloves, and an N95 mask — never dry sweeping. Here is the full step-by-step guide.
Most hantavirus survivors make a full recovery, but a subset report fatigue, reduced lung function, and cognitive symptoms for weeks to months. Here is what the follow-up data shows about long-term HPS effects.
Six weeks on from the first WHO Disease Outbreak News for MV Hondius: 17 cases, 3 deaths, 11 countries, no new cases since May 19. WHO approves return-to-service compliance, Argentina in late-season decline. Full status report.
Hantavirus season peaks in spring and early summer in the Northern Hemisphere — and autumn in the Southern Hemisphere. Here is what drives the seasonal cycle and which months carry the highest risk globally.