How to Feel About Hantavirus: A Flowchart May 7, 2026, 7:12 p.m. ET Sources: Caitlin Rivers; C.D.C.; The Associated Press. Dr. Rivers is an epidemiologist. Of the roughly 150 passengers and crew members who boarded the MV Hondius, a luxury cruise ship, originally destined for Antarctica, three are now dead from a rare infectious disease: a strain of hantavirus known as Andes virus. Three more were evacuated to hospitals on Wednesday after developing symptoms like fever and shortness of breath.