West Nile virus is showing up across Ontario. What to know about the risk
Original article ↗B.I.A.S. ANALYSIS
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Signal breakdown
Heuristic (v1/v3)
0.10 · CENTER
ML v2 (DistilBERT)
0.257 · RIGHT
Ensemble
0.129 · CENTER
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Rolling outlet bias
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Article Excerpt
HEALTH
West Nile virus is showing up across Ontario. What to know about the risk
By Prisha Dev Global News
Posted July 22, 2026 8:10 pm
3 min read
WATCH Research on mosquitoes carrying West Nile virus in Alberta continues as 'skeeter season' hits Calgary. – Jun 26, 2026
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Positive mosquito pools carrying West Nile virus have been detected in several Ontario communities and across Canada over the past week, promptin…
Read full article at Global News ↗
How we scored this article
WTF uses a two-tier system: every article gets a heuristic bias score from keyword analysis, and priority articles (high overlap across 3+ outlets or strong heuristic signal) get full LLM analysis from B.I.A.S. and V.E.R.I.F.Y.
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Jul 23, 2026