Information researched and published on this site:

News

Short, sourced articles distinct from the timeline-style outbreak page and the U.S. history page. Open any item for full text, dates, and citations. New articles appear here automatically when matching files are added for each language under the news articles folder.

Editorial banner: France cruise repatriation and endemic Puumala context, Santé publique France and agency sources, information only disclaimer

May 2026 put French headlines next to a cruise ship cluster, but France already had a long running hantavirus story in the northeast. This article separates repatriation news from national surveillance facts, using Santé publique France’s published 2024 mainland totals and official multinational ship updates.
Editorial banner: Andes virus and person-to-person transmission, CDC and WHO sources, information only disclaimer

Most hantavirus education is about droppings, dust, and ventilation. Andes virus adds a second chapter: rare but real person to person transmission under close contact conditions. This article stays inside CDC and WHO wording, then points to peer reviewed outbreak science from Argentina so you understand why a cruise ship cluster triggered global coordination.
Editorial banner: Puumala virus across Europe, ECDC and journal sources, information only disclaimer

ECDC’s published European totals explain where most continental cases concentrate, while field studies show how Puumala lineages can appear surprisingly far south when ecology shifts. This article ties the 2023 annual report numbers to Finland, Germany, and Sweden signals, without pretending one cruise event defines endemic risk.
Editorial banner: May 2026 official agency roundup on hantavirus and cruise ship cluster, information only disclaimer

If you tried to line up WHO, CDC, ECDC, and PAHO on the same case total in May 2026, you hit a wall that is actually good governance: labs, case definitions, and posting times differ. This article restates only what each agency published, with dates, and explains why mismatched numbers can still all be “true.”
Editorial banner: ECDC Europe hantavirus surveillance and May 2026 outbreak context, information only disclaimer

ECDC’s routine European work lives in annual epidemiological reports and atlas tools, while outbreak hubs spin up when a multinational event needs a European angle. Here is what the 2023 annual report actually quantifies, how ECDC covered the May 2026 Andes virus cluster on MV Hondius, and how to cite counts without pretending a single “Europe total” dashboard exists for every day.
Editorial banner: U.S. CDC reported hantavirus cases and surveillance context, information only disclaimer

CDC’s cumulative national map is not the same product as a weekly NNDSS table, and neither replaces your state health department during an active local investigation. Here is how CDC reports the 890-case national arc through 2023, how surveillance definitions work, and what CDC added in May 2026 about the Atlantic Andes virus ship cluster.
Editorial banner: Canadian travelers and cruise cluster, WHO and ECDC sources, information only disclaimer

WHO and ECDC published multinational operational facts about the May 2026 MV Hondius cluster, while Canadian wire stories named how many Canadians journalists were told were aboard. Here is how to read each layer without mixing them up, plus what Health Canada’s general hantavirus pages do and do not cover.
Editorial banner: U.S. hantavirus surveillance and reporting, CDC context, information only disclaimer

CDC treats hantavirus disease as nationally notifiable, then sorts cases through NNDSS using separate definitions for HPS and non-HPS infection. Here is what that means for dashboards, weekly tables, and how you should read a headline number.
Editorial banner: preventing hantavirus with CDC guidance, information only disclaimer

CDC’s U.S. prevention guidance boils down to keeping wild rodents out of living spaces, cleaning rodent waste the safe way, and knowing which shortcuts stir invisible dust. Here is how the agency groups those steps online, plus where to find its January 2025 public brochure PDF.
Editorial banner: Americas regional hantavirus alert and PAHO context, information only disclaimer

PAHO’s 19 December 2025 epidemiological alert describes rising hantavirus infection reports in endemic countries of the Americas, especially in the Southern Cone, and higher lethality in some places. Here is what the alert actually says, how it fits with U.S. CDC guidance, and how to read it without panic.