Rare outbreak on cruise ship raises concerns. What to know about hantavirus

U.S. and international health officials are responding to a confirmed hantavirus outbreak on the MV Hondius cruise ship, operated by Oceanwide Expeditions, after the World Health Organization (WHO) identified eight cases and three deaths linked to the Andes virus strain. The CDC confirmed on May 6 that the Department of State is leading a coordinated effort, including direct contact with passengers and international health authorities, while the WHO assessed the global risk as low but continues monitoring the situation. The outbreak involves passengers from multiple U.S. states, including New York, Georgia, Arizona, and California, though none of the monitored individuals have shown signs of illness. The Georgia Department of Public Health stated that two residents under observation remain healthy, while Arizona and California agencies were notified by the CDC but did not disclose specific numbers. Hantavirus typically spreads through rodent urine, feces, or saliva, but the Andes strain is the only known variant capable of human-to-human transmission. The CDC notes there is no cure, vaccine, or specific treatment, though early medical care can improve survival rates for Hantavirus Pulmonary Syndrome, a severe lung disease. Concerns about travel safety have risen as millions prepare for the 2026 World Cup, including events at MetLife Stadium in New York. The WHO emphasized that the risk to the global population remains low but will update assessments as the situation evolves. The CDC and WHO are working to contain the outbreak while advising passengers to follow health guidelines. The MV Hondius, a Netherlands-based cruise ship traveling in the Atlantic Ocean, remains under scrutiny as officials investigate the source and potential spread of the virus.