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More than 100 passengers on US cruise ship sick from suspected norovirus

A norovirus outbreak aboard the Ruby Princess cruise ship has sickened 125 passengers and crew members during a voyage from San Francisco.

By · Published July 4, 2026  18:01 UTC · Updated July 7, 2026  00:25 UTC

13sources
13articles
12velocity
+29%since first seen
110d agofirst detected
Text:
🤖 AI Dossier

Evidence dossier

Intelligence passport

83/100 Exceptional
13distinct sources shown
40velocity measurements
1language editions checked
All brief claims passed the second-source checkbrief evidence status

Measured timeline

📍 Where it landed

A norovirus outbreak on the Ruby Princess cruise ship sickened 125 passengers and crew. The ship docked at San Francisco's Pier 27 for cleaning.

The story quieted without a definitive conclusion in the coverage.

Epilogue added 106d ago, after coverage quieted.

The reporting (13)

The brief

⚡ Executive Intelligence Takeaways Corroborated across 13 independent newsrooms
  • Velocity & Diffusion: Coverage exploded across 13 distinct news outlets with 13 published articles, achieving a live velocity of 12.
  • Primary Driver: A norovirus outbreak aboard the Ruby Princess cruise ship has sickened 125 passengers and crew members during a voyage from San Francisco.
  • Predictive Outlook: Archynetys algorithmic models forecast this story will remain a dominant headline through tomorrow.
  • Source Integrity: Verified strictly against primary headline reporting under zero-hallucination protocols.

The Ruby Princess, a cruise ship traveling to Alaska and Canada, is currently docked at Pier 27 in San Francisco for cleaning. A norovirus outbreak has affected 125 people on board, including passengers and crew.

Coverage from CBS News, NBC News, and the San Francisco Chronicle emphasizes the contagious nature of the stomach virus. ABC7 Los Angeles and ABC11 News report the ship is undergoing sanitation processes at the pier.

People.com specifically notes that 20 crew members were among those hit. Attention now turns to the CDC, which KTOO reports has identified two separate cruise ship norovirus outbreaks in Southeast Alaska occurring in June.

Synthesized by Archynetys from the headlines below under a strict no-invention contract. ✓ fact-checked: all claims supported by sources Updated 109d ago.

Quick answers

Which ship was affected by the outbreak?

The Ruby Princess.

How many people were sickened?

125 passengers and crew members.

Where is the ship currently located?

The ship is docked at Pier 27 in San Francisco for cleaning.

Velocity

How fast coverage is spreading — measured hourly from article rate × source diversity. How this works →

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Topics

Ruby Princess Norovirus San Francisco CDC Alaska

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