What Is Hantavirus? A Guide to the Virus Linked to Cruise Ship Deaths

Three people died after a suspected hantavirus outbreak on a cruise ship traveling between Argentina and Cape Verde.

Health officials have confirmed one case and say the broader public risk appears low.

Investigators are sequencing the virus to determine whether it is the Andes strain or another hantavirus.

That analysis will help show whether infection came from rodent exposure or possible person-to-person spread.