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Inland Empire city latest in So Cal to detect West Nile virus in mosquito samples

San Bernardino has joined a growing list of Southern California cities where mosquitoes have tested positive for West Nile virus, according to county health officials. The infected mosquitoes were collected in the city of San Bernardino, marking the first West Nile virus-positive mosquito sample de...

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NEEDS REVIEW

As of July 3, 2026 at 1:33 AM, this is how Optics News reads the wording differences in this story.

What happened Inland Empire city latest in So Cal to detect West Nile virus in mosquito samples.
The headline split KTLA5 (Nexstar, Los Angeles) frames it as "Inland Empire city latest in So Cal to detect West Nile virus in mosquito samples". WPIX PIX11 (Nexstar, New York) frames it as "NYC to spray against West Nile Virus: What to know".
Match confidence Developing. Article formats differ across these sources, so wording may reflect format as much as framing. Read each source before drawing conclusions.
Same-event confidenceDeveloping

Article formats differ across sources, so wording may reflect format as much as framing.

Wording differs, but the match is too narrow to read confidently yet.

WHAT EACH SIDE EMPHASIZED

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CenterInland Empire city latest in So Cal to detect West Nile virus in mosquito samples

KTLA5 (Nexstar, Los Angeles) · Center · News report

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Article formats differ across these sources, so wording may reflect format as well as framing.

SEE THE HEADLINES

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KTLA5 (Nexstar, Los Angeles)News report · Jul 3, 12:07 AM

Inland Empire city latest in So Cal to detect West Nile virus in mosquito samples

San Bernardino has joined a growing list of Southern California cities where mosquitoes have tested positive for West Nile virus, according to county health officials. The infected mosquito...

Open source
CenterHigh
KRON4 (Nexstar, San Francisco)News report · Jul 3, 1:33 AM

Crow tests positive for West Nile virus in Contra Costa County

crowtestspositivecontracosta

(KRON) -- A young American crow from El Cerrito is the first bird to test positive for West Nile virus (WNV) in Contra Costa County in 2026, according to the Contra Costa Mosquito and Vecto...

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CenterHigh
WPIX PIX11 (Nexstar, New York)Analysis · Jul 3, 1:28 AM

NYC to spray against West Nile Virus: What to know

sprayagainstwhatknow

NEW YORK (PIX11) — New York City will again spray to combat West Nile Virus, the New York City Department of Health announced on Tuesday. The Department of Health will spray non-residential...

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DetailsScore hidden · 3 sources · 1 bias buckets
Score hidden until the match is cleanerLow confidence3 sources · 1 bias bucketsDeveloping · related angleFormats: News report, Analysis

SOURCE MAP CHANGES

Jul 3, 12:07 AM: KTLA5 (Nexstar, Los Angeles) joined the source map.

Jul 3, 1:28 AM: WPIX PIX11 (Nexstar, New York) joined the source map.

Jul 3, 1:33 AM: KRON4 (Nexstar, San Francisco) joined the source map.

Now: score hidden until the source match is cleaner. Story health is developing · related angle.

Flagged: article formats differ, so wording may reflect format as well as framing.