CDC Reports Hantavirus Outbreak Linked to International Cruise Ship Travel in 2026

The CDC has reported on a Hantavirus outbreak in 2026 caused by the Andes virus (ANDV), linked to international cruise ship travel. On May 4, 2026, CDC was notified of seven cases of severe acute respiratory illness, including three deaths, confirmed to be caused by ANDV, on a cruise ship in the Atlantic Ocean. The CDC collaborated with domestic and international partners to identify and monitor 88 U.S. residents with potential ANDV exposure, with no secondary infections identified among monitored contacts. Health care providers are advised to consider ANDV infection in patients with compatible illness after travel to endemic areas or exposure to a confirmed case.