Learn About Hantavirus
Evidence-based guides sourced from WHO, CDC, ECDC and PAHO. From the basics to live outbreak data — all in one place.
Active situation — MV Hondius 2026
5 confirmed Andes virus cases, 3 deaths. Under active WHO monitoring.
What is Hantavirus?
An overview of hantavirus — what it is, how it was discovered, and why it matters globally.
Symptoms & Clinical Stages
Recognise the warning signs of HPS and HFRS. Early symptoms, progression, and when to seek care.
How Hantavirus Spreads
Transmission routes, risk activities, rodent species involved, and person-to-person risks.
Prevention & Protection
Practical steps to reduce exposure — rodent control, PPE, cleaning protocols, and high-risk settings.
Mortality Rates by Strain
Case fatality rates across all major hantavirus strains, prognostic factors, and 2026 MV Hondius data.
Andes Virus
The only hantavirus strain with confirmed person-to-person transmission. Distribution, symptoms, 2026 cluster.
Hantavirus Cases in 2026
Current confirmed case counts, active outbreaks, country breakdown, and 2026 trends vs. prior years.
Countries with Cases
Country-by-country breakdown of hantavirus cases, dominant strains, and surveillance capacity.
Official Sources & Data
WHO, CDC, ECDC, PAHO — all data sources used by HantaTracker with direct links to primary documents.
Frequently asked questions
How many hantavirus strains exist?
Over 40 named strains. About a dozen cause significant human disease.
Is there a vaccine?
No globally approved vaccine. China and Korea have regional vaccines for HFRS strains.
Can hantavirus spread person-to-person?
Only Andes virus (South America) has confirmed person-to-person transmission. All other strains spread from rodents only.
What is the mortality rate?
Varies by strain: Sin Nombre ~36%, Andes 35–40%, Hantaan 5–15%, Puumala <0.5%.
What is the 2026 MV Hondius cluster?
A cluster of Andes virus cases (5 confirmed, 3 deaths) linked to expedition vessel MV Hondius following a Patagonian voyage. Under active WHO monitoring.
This content is for informational purposes only and is based on publications from WHO, CDC, ECDC and PAHO. It does not constitute medical advice. For public health or clinical decisions, always consult official health authorities.