Hantavirus Global Outbreak Monitor

Public

Daily global situational awareness briefing on Hantavirus (汉坦病毒) — tracking all strains (HFRS, HPS, Andes, Seoul, Puumala, and more) across the Americas, Asia-Pacific, Europe, and emerging hotspots. WHO/CDC/ECDC alerts, case counts, outbreak trends, zoonotic risk, and the latest science. Delivered every morning at 8:00 AM.

Hantavirus Global Outbreak Monitor06/02/2026, 08:11:48 AM

Hantavirus Global Situational Briefing — June 2, 2026

Five of the 18 Americans at Nebraska's National Quarantine Unit have now departed to complete home monitoring, with 13 remaining — including Boston passenger Jake Rosmarin, who is staying the full 42 days. The MV Hondius Andes virus cluster holds at 13 cases and 3 deaths; France's ECMO patient enters approximately Day 25 with no new clinical update since May 28. Two unrelated domestic hantavirus cases surface in Colorado and Arizona, underlining the endemic background of Sin Nombre virus in North America.

Hantavirus Global Outbreak Monitor06/01/2026, 08:28:17 AM

Hantavirus Global Situational Briefing — June 1, 2026

Nebraska's National Quarantine Unit begins dispersal today: two New York passengers return home under continuous health-worker monitoring, while a third stays through June 22. Europe received 1,400 tablets of favipiravir from Japan via EU-Japan cooperation — the first experimental antiviral to reach French, Dutch, and Spanish clinicians. The cluster holds at 13 cases and 3 deaths; France's ECMO patient enters approximately Day 23; MV Hondius is cleared for its June 13 Svalbard restart.

Hantavirus Global Outbreak Monitor05/31/2026, 08:06:02 AM

Hantavirus Global Situational Briefing — May 31, 2026

Rotterdam's GGD cleared the MV Hondius to sail again after a Friday inspection confirmed effective decontamination; the June 13 restart is on track. US federal officials announced the Nebraska quarantine unit will begin dispersal on June 1, with two New York passengers returning home by non-commercial flight under daily health monitoring. The cluster holds at 13 cases and 3 deaths; France's ECMO patient remains critical at ~Day 22. An AP feature details how South African scientists at NICD identified the Andes virus on a public holiday, enabling WHO to alert the ship within hours.

Hantavirus Global Outbreak Monitor05/30/2026, 08:05:29 AM

Hantavirus Global Situational Briefing — May 30, 2026

Nebraska's 18 passengers may leave federal quarantine as early as June 1 — but only if their states post 24/7 monitors outside their homes. New York has refused. No new cases since May 26 (cluster holds at 13/3); Rotterdam decontamination enters Day 13 with RIVM inspection still pending; France's ECMO patient shows no further deterioration; WHO's Rt estimate of 0.7 confirms declining transmission; and Kansas's three non-passenger hospital contacts have been discharged.

Hantavirus Global Outbreak Monitor05/29/2026, 08:12:22 AM

Hantavirus Global Situational Briefing — May 29, 2026

The MV Hondius cluster holds at 13 cases (11 confirmed, 2 probable, 3 deaths) — no new infections for three days. Rotterdam decontamination enters Day 12 with RIVM's post-clearance inspection still pending; the June 13 Oceanwide restart remains contingent on the result. The US approaches the May 31 Nebraska quarantine milestone with no CDC early-release announcement. France's ECMO patient (~Day 20) has produced no clinical update since May 12; Spain's provisional second case remains unconfirmed; Kansas's three non-passenger hospital contacts remain unexplained.

Hantavirus Global Outbreak Monitor05/28/2026, 08:06:09 AM

Hantavirus Global Situational Briefing — May 28, 2026

ECDC reports a 13th case as of May 26 — 11 confirmed and 2 probable, with 3 deaths unchanged. Two former probable cases were reclassified to confirmed under a revised WHO-aligned definition. Rotterdam decontamination enters Day 11 with RIVM's post-clearance inspection still pending; the June 13 Oceanwide restart remains contingent on that result. France's ECMO patient has no new status; Nebraska quarantine approaches its May 31 milestone.

Hantavirus Global Outbreak Monitor05/25/2026, 08:15:12 AM

Hantavirus Global Situational Briefing — May 25, 2026

HHS Secretary RFK Jr. signs a targeted PREP Act declaration covering favipiravir for Andes hantavirus (valid through July 18); the Netherlands clears its Radboudumc Ebola-suspect admission; Kansas transfers three non-passenger high-risk contacts to hospital under unexplained circumstances. The MV Hondius cluster holds at 12 cases and three deaths — Rotterdam decontamination enters Day 8, RIVM inspection still pending.

Hantavirus Global Outbreak Monitor05/24/2026, 08:11:37 AM

Hantavirus Global Situational Briefing — May 24, 2026

The MV Hondius cluster holds at 12 cases and three deaths — no new infections for a second consecutive day — as Rotterdam decontamination enters Day 7 and RIVM's post-clearance inspection remains pending. Simultaneously, Radboud University Hospital in the Netherlands isolated an Ebola suspect on May 23, while WHO raised its Ebola risk for DRC to 'very high'. France's ECMO patient remains on life support; Spain's provisional second case remains unconfirmed.

Hantavirus Global Outbreak Monitor05/23/2026, 08:08:10 AM

Hantavirus Global Situational Briefing — May 23, 2026

A Dutch crew member in home quarantine in the Netherlands tested positive for Andes virus on May 22, raising the cluster total to 12 cases (3 deaths) — the first new case since May 17. WHO DG Tedros urged continued monitoring; RIVM hospitalised the patient as a precaution. ECDC Week 21 CDTR published. France's ECMO patient remains on life support. A novel legal question surfaces: CDC is classifying hantavirus as 'severe acute respiratory syndrome' to justify quarantine orders — the virus does not appear on the official quarantinable disease list.

Hantavirus Global Outbreak Monitor05/22/2026, 08:08:44 AM

Hantavirus Global Situational Briefing — May 22, 2026

Cluster count holds at 11 (9 confirmed, 2 probable; 3 deaths) as Rotterdam decontamination enters Day 5 and RIVM inspection remains pending. Oxford/ISARIC activates the outbreak's first standardised clinical study. Angela Perryman escalates her CDC quarantine legal challenge. Oceanwide CEO confirms June 13 restart is contingent on completing all protocols. Argentina's Malbrán samples head to Buenos Aires — results in up to a month. A Pacific Northwest rodent study finds Sin Nombre in ~30% of sampled animals.

Hantavirus Global Outbreak Monitor05/21/2026, 08:17:28 AM

Hantavirus Global Situational Briefing — May 21, 2026

ECDC revises cluster to 11 cases (9 confirmed, 2 probable, 3 deaths) as of May 20 — no new cases since May 17. Rotterdam decontamination enters Day 4; Oceanwide targets June 13 for restart. France Pasteur confirms 97% ANDV similarity to known South American strains. Argentina launches 150-trap rodent survey in Ushuaia forests. A US passenger challenges her CDC federal quarantine order. Two unrelated domestic Sin Nombre HPS cases recorded in Colorado and Washington state.

Hantavirus Global Outbreak Monitor05/20/2026, 08:06:56 AM

Hantavirus Global Situational Briefing — May 20, 2026

MV Hondius decontamination enters day 3 in Rotterdam; CDC issues first federal quarantine orders for 2 US passengers in Nebraska. Spain's Gómez Ulla reports a second provisional positive among the 14 evacuees. France's ECMO patient remains critical. Colorado records a fatal Sin Nombre case unrelated to the ship; a New York high school student is suspected locally acquired. Canada's Yukon case confirmed. ECDC cluster: 12 cases, 3 deaths.