More than 100 people aboard a cruise ship traveling around the world have fallen ill due to a norovirus outbreak. The Centers for Disease Control and Prevention (CDC) reported that 95 passengers and six crew members have exhibited symptoms such as diarrhea and vomiting.
The outbreak was first identified on November 30, shortly after the ship departed Miami for Cozumel. The vessel involved is the AIDAdiva, which embarked on a 133-day global journey from Hamburg, Germany, on November 10.
Details of the Cruise and Outbreak
The AIDAdiva’s itinerary includes stops in 26 countries, including the U.S., U.K., Japan, South Africa, Portugal, Mexico, and Sri Lanka. This ambitious cruise was scheduled to return to Hamburg on March 23.
The CDC’s Vessel Sanitation Program advised the ship’s crew to isolate affected individuals quickly. They also enhanced cleaning and disinfection protocols while collecting stool samples for laboratory testing.
Norovirus Impact on Cruise Ships
According to the CDC, norovirus outbreaks on cruise ships have been increasingly common. In 2025, there have been 17 confirmed outbreaks, compared to 15 the previous year and 13 the year before that.
This trend highlights the ongoing challenges cruise lines face in containing infectious diseases. Norovirus is highly contagious and spreads rapidly in close quarters, such as on cruise ships.
Preventive Measures Taken
The ship’s crew acted swiftly by isolating sick passengers and crew. Enhanced sanitation efforts focused on frequently touched surfaces and public areas to reduce transmission risks.
Passengers were likely informed of proper hygiene practices, including frequent handwashing. The CDC continues to monitor outbreaks and provides guidance to affected vessels.
This incident underlines the importance of vigilance and rapid response in handling contagious illnesses during long-duration cruises. Cruise operators and health authorities remain committed to minimizing the impact on travelers and staff.
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