Stomach Bugs Pose Greater Threat Than Hantavirus on Cruise Ships

Gastrointestinal illness outbreaks on cruise ships reached a nearly two-decade high in 2025, with 23 incidents reported, marking the highest number since 2007. According to CDC data, these outbreaks, often driven by norovirus, have risen steadily since the pandemic period, although early 2026 figures show a decline. While a rare and deadly hantavirus outbreak on the MV Hondius in April killed three people and drew global attention, experts emphasize that common stomach bugs remain a far more frequent threat. The cruise industry continues to boom despite these health concerns, with passenger volumes hitting a record 37 million in 2025. Analysts note that strong demand persists into 2026, as consumers weigh the risks against the appeal of cruising. Health officials warn that the confined environment, shared facilities, and older demographic of typical cruisers increase infection risks. Recommendations include rigorous hand hygiene and mask-wearing when respiratory illnesses are present. The article highlights the trade-off between the enjoyment of cruise travel and the elevated potential for disease transmission in such settings.