Experts Warn 3 Deaths on MV Hondius Show Cruise Ships' Infection Limits

3 articles · Updated · The Guardian · May 17

Three deaths from hantavirus on the MV Hondius have sharpened warnings that cruise ships cannot fully engineer away infection risk, experts said.
Cruise ships combine close quarters, shared dining, mixed international passenger pools and older travelers, creating efficient conditions for respiratory, foodborne and waterborne spread.
Ventilation, kitchens and water systems each pose structural limits: cabins lack open airflow, galleys create a single point of failure, and pathogens such as legionella can be hard to detect onboard.
Diagnosis and containment are also constrained because ships may have only one doctor, limited testing and isolation space, leaving crews poorly equipped for rare or mass outbreaks.
Past outbreaks including more than 700 Covid cases on the Diamond Princess underscore why experts and the CDC stress basic precautions, better training and travel insurance rather than expecting zero risk.

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