With twelve norovirus outbreaks already confirmed in 2025, the cruise ship industry is on pace to set an unfortunate record without the availability of a preventive vaccine.
Last year, 18 norovirus outbreaks were confirmed on U.S.-based cruises.
According to a U.S. CDC Emerging Infectious Disease report (Volume 31, Number 4—April 2025), foodborne pathogens, led by norovirus, have impacted people's health for years.
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