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Twenty long-form pieces on the 2026 hantavirus outbreak and the science around it, including today's 13 May briefing on the first off-ship secondary case. Newest first.
Post-Exposure Monoclonal Antibodies for Andes Virus: The Compassionate-Use Question
An experimental two-antibody combination has shown post-exposure efficacy in primate Andes virus models. The MV Hondius outbreak has revived a long-running debate about compassionate access, supply rationing and the equity of country-by-country emergency authorisations.
Inside the Tenerife Operation: How Spain Is Contact-Tracing 147 Travellers from MV Hondius
Spanish public-health authorities have spent 72 hours assembling a multilingual contact-tracing operation for 147 returning passengers and crew from 23 nationalities. A walk through the logistics, the clinical pathway and the first secondary case.
MV Hondius Outbreak, 13 May Update: First Secondary Case Confirmed in Tenerife
Spain has confirmed a household contact of a returning MV Hondius passenger has tested positive for Andes virus. WHO updates case totals to seven confirmed; ECDC and CDC maintain a very-low population risk classification.
Travelling After the Andes Outbreak: A Risk-Based Guide for Cruise Passengers
Plenty of people booked the same kind of trip the MV Hondius was running. Here is what the outbreak should and shouldn't change about your plans.
The 2026 MV Hondius Hantavirus Outbreak: What We Know So Far
A working timeline of the Andes virus outbreak aboard the MV Hondius, what investigators have confirmed, and what remains unanswered as passengers return home and the first secondary case is confirmed.
Andes Virus: The Only Hantavirus That Spreads Between People
Andes orthohantavirus is the singular exception to a rule that has held for every other hantavirus. Here is what makes it different, and why that matters now.
Hantavirus Myths Debunked: Facts vs Misinformation
A clearing-house for the most common claims doing the rounds since the MV Hondius outbreak - what's true, what's exaggerated, and what's flat wrong.
Hantavirus Pulmonary Syndrome: Symptoms, Stages and Survival
From a vague flu-like prodrome to sudden respiratory collapse - a stage-by-stage guide to HPS, the most dangerous form of hantavirus disease.
Hantavirus vs. COVID-19: Why Experts Say This Is Not the Next Pandemic
A 38% case-fatality rate sounds terrifying. Why are infectious-disease specialists nonetheless saying the MV Hondius outbreak is not the start of a global event?
Deer Mice and Hantavirus: How Rodent Behaviour Shapes Risk
The deer mouse is the principal reservoir of hantavirus in North America. Understanding how it lives, breeds and disperses is half the battle of preventing exposure.
How to Clean Up Rodent Droppings Safely: A Step-by-Step Guide
Hantavirus exposure usually happens during cleanup, not infestation. This is the protocol public-health agencies recommend, broken down for ordinary homes.
Hantavirus on Cruise Ships: The New Frontier of Outbreak Investigation
Expedition cruises take small numbers of travellers to remote places and bring them back with stories - and sometimes pathogens. Here is what the MV Hondius outbreak teaches us about the new geography of infectious-disease risk.
Sealing Your Home Against Rodents: A Complete Prevention Checklist
If a deer mouse can fit through a hole the size of a pencil, your house has more entry points than you think. A room-by-room audit you can actually finish in a weekend.
The 38% Case-Fatality Rate: Why Hantavirus Remains One of the Deadliest Respiratory Viruses
Hantavirus pulmonary syndrome kills around 38% of people who develop severe respiratory symptoms. Where does that number come from, and what is being done to bring it down?
Patagonia Origins: The Discovery of Andes Virus
Long before MV Hondius, a quiet 1995 outbreak in Patagonia changed how virologists understood hantavirus. This is how Andes virus was found.
Workplace Hantavirus Risk: Agriculture, Construction and Outdoor Industries
The most consistent occupational risk factor for hantavirus is not exotic travel - it is everyday work that puts people in contact with rodent-disturbed environments.
Children and Hantavirus: What Parents Need to Know
Hantavirus is rare in children, but their exposure routes are different from adults. A practical guide for parents in endemic areas and after-school activities involving outdoor structures.
Hantavirus Diagnosis: Why Early Recognition Can Save Lives
There is no rapid bedside test for hantavirus. Survival hinges on a clinician who thinks of it. Here is what raises the index of suspicion.
The Future of Hantavirus Vaccines: Trials, Setbacks and Hope
Why do we have vaccines for COVID-19, influenza, even Ebola, but not for hantavirus? A look at the science and economics of hantavirus vaccine development.
Sin Nombre Virus: The American Strain That Started It All
Before Andes, there was Sin Nombre. The 1993 Four Corners outbreak put hantavirus on the global map and produced most of the science we still rely on.