West Nile virus found in San Diego mosquitoes, first detection in 2026
5 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 found in San Diego mosquitoes, first detection in 2026" is generating significant coverage in the Health category, with 5 articles from 5 distinct sources tracked by PULSE so far.
Outlets currently covering the story include 10News.com, San Diego County News Center, NBC 7 San Diego and fox5sandiego.com. 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 87d ago.
Quick answers
Why is "West Nile virus found in San Diego mosquitoes, first detection in 2026" trending?
Because 5 independent news sources published 5 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 (5)
- West Nile virus found in mosquitoes in San Carlos area, county urges caution 10News.com · 90d ago
- Mosquitoes Near San Carlos Test Positive for West Nile Virus, County Urges Prevention San Diego County News Center · 90d ago
- Caution: West Nile virus found in mosquitos in San Carlos area NBC 7 San Diego · 90d ago
- Mosquitoes near San Carlos test positive for West Nile virus: Here’s what to know fox5sandiego.com · 90d ago
- West Nile virus found in San Diego mosquitoes, first detection in 2026 cbs8.com · 90d ago
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