West Nile virus detected in mosquitoes from 13 Orange County cities
4 news sources are covering this Health 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
"West Nile virus detected in mosquitoes from 13 Orange County cities" is generating significant coverage in the Health category, with 4 articles from 4 distinct sources tracked by PULSE so far.
Outlets currently covering the story include ABC30 Fresno, KCRA, NBC Los Angeles and KTLA. 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 21h ago.
Quick answers
Why is "West Nile virus detected in mosquitoes from 13 Orange County cities" trending?
Because 4 independent news sources published 4 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 (9)
- West Nile Virus Detected in Ventura County Mosquito Sample For The First Time This Year News Channel 3-12 · 1d ago
- Mosquito sample in Yolo County tests positive for West Nile virus Yahoo · 1d ago
- Test showing infected mosquitoes underscores West Nile risks in county Ventura County Star · 1d ago
- OC uses multiple tools to fight booming mosquito population Spectrum News · 1d ago
- OC uses multiple tools to fight booming mosquito population Spectrum News · 1d ago
- Mosquito tests positive for West Nile Virus in Merced County ABC30 Fresno · 1d ago
- Yolo County mosquito sample tests positive for West Nile KCRA · 1d ago
- Ventura County detects first West Nile virus-positive mosquitoes of 2026 NBC Los Angeles · 1d ago
- West Nile virus detected in mosquitoes from 13 Orange County cities KTLA · 1d ago
Topics
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