2 Americans Test Positive or Show Symptoms of Hantavirus: What to Know

Eighteen Americans are being quarantined after being flown in from the MV Hondius cruise ship.

A test tube labeled "hantavirus positive" is held in this illustration taken May 7, 2026. Dado Ruvic/Reuters Illustration

One American from the MV Hondius cruise ship has tested positive for the hantavirus and is being watched closely in a special medical facility in Nebraska, while another has shown symptoms of the illness and is in a biocontainment unit in Georgia, officials said on May 11.

Neither person from the ship, on which an outbreak of the virus occurred, has been identified.