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A Deadly Outbreak of Hantavirus Has Stranded a Cruise Ship in the Atlantic Ocean. Here's What to Know About the Rare Contagion
Key takeaways
- The World Health Organization announced two confirmed cases and five suspected cases of the virus as of May 4.
- Viral outbreaks on cruise ships are not unheard of, as tight quarters for long durations allow the spread of highly contagious germs.
- Hantavirus is different than typical cruise ship outbreaks, though.
The World Health Organization announced two confirmed cases and five suspected cases of the virus as of May 4. That includes three individuals who have died, one of whom had disembarked the ship.
Viral outbreaks on cruise ships are not unheard of, as tight quarters for long durations allow the spread of highly contagious germs. In 2025, the Centers for Disease Control and Prevention (CDC) noted 23 outbreaks on ships that docked in the U.S. Most were attributed to norovirus, an easily spread pathogen that causes diarrhea and vomiting but typically isn’t lethal.
Hantavirus is different than typical cruise ship outbreaks, though. Most strains aren’t contagious between people.
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