Three cruise ship passengers die in suspected hantavirus outbreak (reuters.com)

TLDR: "Netherlands-based Oceanwide Expeditions said in a news release it was "managing a serious medical situation" on a polar expedition ship, the MV Hondius, which was off Cape Verde, an island nation in the Atlantic west of Africa."

See the current position at https://www.cruisemapper.com/ships/MV-Hondius-1624