Short answer
Cruise ship spread is not typical for most Hantaviruses, but recent reports have involved a specific cruise ship-related cluster under public health investigation.
What it means
WHO has discussed a cruise ship event linked to suspected Andes virus, a Hantavirus known for limited person-to-person spread. That does not mean every cruise ship has the same risk.
What to know
The useful question is whether a specific ship, route, or exposure situation is being addressed by public health officials.
When to check official guidance
Check WHO, CDC, cruise operator notices, and relevant public health agencies for the specific trip or event.
Sources
Hantavirus Now summarizes external public health information in plain language. Source links open in a new tab.