PBS NewsHour covered the hantavirus outbreak linked to the MV Hondius expedition cruise ship, providing detailed reporting on the cases, the quarantine situation facing American passengers, and what the public needs to know about hantavirus transmission and risk.
The outbreak — which resulted in nine confirmed or probable cases and three deaths, with the ship refused entry by multiple ports before docking in the Spanish Canary Islands — became a significant moment in the public conversation about biological threat detection and response.
BioRadar Co-Founders Dr. Ashish K. Jha and Dr. Nikki Romanik addressed the same outbreak in a co-authored op-ed in The Boston Globe, arguing that the incident exposed critical weaknesses in how the United States monitors and responds to emerging biological threats. The first death on the ship occurred on April 11. The first positive hantavirus identification did not come until May 2 — by which point 25 percent of passengers had already disembarked.
That three-week gap between the first death and confirmed identification is precisely the kind of detection failure BioRadar is designed to prevent.
Watch the PBS NewsHour segment
News & Updates
PBS NewsHour: What to Know About the Cruise Ship Hantavirus Outbreak
May 12, 2026