Italian health authorities have placed four people under surveillance and one woman in quarantine following a possible hantavirus exposure. The individuals came into contact with a woman who had recently traveled aboard the cruise ship MV Hondius. Hantavirus is a rare viral illness typically transmitted through contact with infected rodents or their droppings, not through person-to-person contact. The case has prompted a precautionary health alert in Italy. While this incident is not based in Crete, travelers arriving by cruise ship should be aware that health authorities across Mediterranean ports are monitoring the situation. No travel restrictions are currently in place. If you feel unwell after a cruise, seek medical attention promptly and inform staff of your recent travel history.