Dr. Stephen Kornfeld, a passenger from the MV Hondius who had tested “faintly positive” for hantavirus, has now tested negative and been moved out of a Nebraska biocontainment unit.

Seventeen Americans monitored hantavirus Nebraska at UNMC after exposure on MV Hondius; one positive case isolated in biocontainment unit for treatment.

A U.S. State Department charter carrying 16 Americans from a hantavirus-stricken expedition ship landed in Omaha in late May 2026, and within hours, the passengers were behind sealed doors at two of the country’s most specialized infectious disease units.

Dr. Stephen Kornfeld was taking the trip of a lifetime aboard a cruise sailing across the Atlantic Ocean when he was called on to care for other passengers who fell ill. Now, he’s the only MV Hondius passenger in a biocontainment unit at the University of Nebraska Medical Center after initially testing positive for Andes hantavirus.

An oncologist traveling on the cruise ship at the center of a hantavirus outbreak says he’s the lone American isolated at a special biocontainment unit in Nebraska. Dr. Stephen Kornfeld of Bend, Oregon,

A group of American passengers evacuated from a cruise ship near the Canary Islands arrived in Nebraska under strict medical monitoring this week as federal and

Sixteen passengers are being monitored in Nebraska's quarantine unit.

Officials said on May 14 that there are a total of 41 people across the United States who are currently being monitored for hantavirus exposure.