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Outbreak of diarrhea-causing parasite linked to 4 more states

WASHINGTON (AP) — Federal health officials on Friday said they have linked cases of a diarrhea-causing parasite tied to shredded lettuce to an additional four states, expanding the scope of the largest U.S. outbreak of cyclospora.

2 Left1 Center0 Right
Still watching. Optics is waiting for a cleaner match before calling the split.

STILL WATCHING

As of July 24, 2026 at 6:01 PM, this is how Optics News reads the wording differences in this story.

What happened Outbreak of diarrhea-causing parasite linked to 4 more states.
The headline split The left frames it as "Cyclospora map: The diarrhea parasite outbreak has now expanded to 9 states — see the hot...". The center frames it as "Outbreak of diarrhea-causing parasite linked to 4 more states".
Match confidence Medium confidence. 3 sources across 2 bias buckets. Useful framing signal — check the source list before sharing.
Same-event confidenceMedium

3 sources across 2 bias buckets agree on the event.

Framing confidenceModerate

61/99 — meaningful wording shift across the spectrum.

WHAT EACH SIDE EMPHASIZED

Left / center-leftCyclospora map: The diarrhea parasite outbreak has now expanded to 9 states — see the hotspots

Business Insider · Center-left · News report

CenterOutbreak of diarrhea-causing parasite linked to 4 more states

The Columbian (Vancouver WA) · Center · News report

Right / center-rightNo matching source in this bucket yet.

Optics keeps watching for pickup.

SEE THE HEADLINES

CenterHigh
The Columbian (Vancouver WA)News report · Jul 24, 5:20 PM

Outbreak of diarrhea-causing parasite linked to 4 more states

diarrhea-causinglinkedmore

WASHINGTON (AP) — Federal health officials on Friday said they have linked cases of a diarrhea-causing parasite tied to shredded lettuce to an additional four states, expanding the scope of...

Open source
Center-leftMostly Factual
Business InsiderNews report · Jul 24, 6:01 PM

Cyclospora map: The diarrhea parasite outbreak has now expanded to 9 states — see the hotspots

cyclosporadiarrheaexpanded

The FDA and CDC say the cyclospora outbreak has now expanded to nine states. A US map shows the Midwest remains the hotspot for the diarrhea parasite.

Open source
Center-leftVery High
PBS NewsHourNews report · Jul 24, 4:39 PM

Outbreak of diarrhea-causing parasite linked to 4 more states

Federal health officials on Friday said they have linked cases of a diarrhea-causing parasite tied to shredded lettuce to an additional four states, expanding the scope of the largest U.S....

Open source
Details61/99 Wording Gap · Medium confidence · 3 sources
61/99 Wording GapMedium confidence3 sources · 2 bias bucketsLive match · 3 sources · 2 buckets · comparable news formatFormats: News report

SOURCE MAP CHANGES

Jul 24, 4:39 PM: PBS NewsHour joined the source map.

Jul 24, 5:20 PM: The Columbian (Vancouver WA) joined the source map.

Jul 24, 6:01 PM: Business Insider joined the source map.

Now: Wording Gap is 61/99 and story health is live match · 3 sources · 2 buckets · comparable news format.