Today, Explained Controlling hantavirus
66 snips
May 11, 2026 
Lawrence Gostin, global health law expert at Georgetown, and Laurel Bristow, Emory infectious disease researcher and podcast host, break down a cruise ship hantavirus scare. They discuss quarantine and monitoring, how Andes virus can rarely spread between people, transmission risks tied to rodents and travel, and what this incident reveals about public health communication and preparedness.
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Hantavirus Transmission Is Mostly Rodent To Human
- Hantavirus is a family of ~40 viruses typically transmitted from rodent urine, feces, or saliva rather than casual human contact.
- In the U.S. deer mice in the Southwest are primary carriers, while Andes virus uniquely can spread person-to-person under prolonged close contact.
Andes Strain Causes Severe Pulmonary Illness
- Andes hantavirus causes hantavirus pulmonary syndrome with high case fatality — roughly up to 38–40 percent in some strains.
- It produces severe pneumonia and can cause renal failure, explaining the long quarantine and concern.
Index Cases Likely Infected Before Boarding
- Investigators suspect one or two passengers were infected in Argentina before boarding and then limited person-to-person spread happened on the cruise ship.
- The first case was a 70-year-old man who died on the ship, followed by his partner's death weeks later and other severe illnesses.