Ruby Princess cruise ship docked in SF hit by norovirus outbreak
3 news sources are covering this Business story right now — PULSE is tracking how fast it spreads.
Velocity
How fast coverage is spreading — measured hourly from article rate × source diversity. How this works →
The brief
"Ruby Princess cruise ship docked in SF hit by norovirus outbreak" is generating significant coverage in the Business category, with 3 articles from 3 distinct sources tracked by PULSE so far.
Outlets currently covering the story include KTOO, The Hill and KRON4. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.
This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.
Generated by PULSE's extractive engine from coverage metadata only — no AI-written claims. Updated 135d ago.
Quick answers
Why is "Ruby Princess cruise ship docked in SF hit by norovirus outbreak" trending?
Because 3 independent news sources published 3 articles about it in a short window — a coverage burst PULSE classifies as a trend.
How does PULSE measure this trend?
PULSE scores velocity from the rate of new articles weighted by source diversity, snapshotted hourly. The full method is public on our methodology page.
Is this trend still active?
The status badge on this page updates hourly: rising, peaking, cooling, or archived once coverage stops for 48 hours.
Coverage (6)
- Over 100 passengers fall ill with contagious virus on cruise to San Francisco SFGATE · 135d ago
- 125 passengers and crew hit with highly contagious stomach virus on cruise from San Francisco ABC News - Breaking News, Latest News and Videos · 135d ago
- More than 100 passengers on US cruise ship sick from suspected norovirus The Guardian · 135d ago
- CDC reports two cruise ships in Southeast Alaska had norovirus outbreaks in June KTOO · 135d ago
- Cruise ship docked in San Francisco hit by norovirus outbreak The Hill · 135d ago
- Ruby Princess cruise ship docked in SF hit by norovirus outbreak KRON4 · 135d ago
Topics
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1 news sources are covering this Entertainment story right now — PULSE is tracking how fast it spreads.