# Norovirus No. 1 cause of cruise ship outbreaks for past 30 years, but other pathogens gaining

Source: [Medical Xpress - latest medical and health news stories](https://medicalxpress.com/news/2026-11-norovirus-cruise-ship-outbreaks-years.html) · 2026-11-10 · Medicine
Page: https://themorning.science/story/norovirus-no-1-cause-of-cruise-ship-outbreaks-for-past-30-years-but-other-pathog-19b8a22da8fd0031
Kind: research · Impact: low

## In brief

- A meta-analysis finds norovirus was the leading cause of infectious-disease outbreaks on cruise ships over the past 57 years.
- Respiratory pathogens such as influenza and SARS-CoV-2 have also emerged as important contributors to cruise ship outbreaks.
- The findings are reported in a meta-analysis covered by Medical Xpress on 2026-11-10.

## Why it matters

Cruise ship outbreak surveillance and prevention planning may need to account for respiratory pathogens alongside the long-dominant norovirus.

## Timeline

- 2026-11-10: Medical Xpress reports on the meta-analysis of cruise ship outbreaks

## Coverage

- [Norovirus No. 1 cause of cruise ship outbreaks for past 30 years, but other pathogens gaining](https://medicalxpress.com/news/2026-11-norovirus-cruise-ship-outbreaks-years.html) — Medical Xpress - latest medical and health news stories, 2026-11-10

Tags: norovirus, cruise ships, outbreaks, respiratory viruses, meta-analysis

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Brief generated by AI (claude-haiku-5-5) from the reporting listed under Coverage. Headlines belong to their publishers. The Morning Science – https://themorning.science