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Cyclosporiasis: What to know about the outbreak
By KTVU FOX 2 News
· July 12, 2026
· 1 min read
The state of California is confirming reported cases of a foodborne stomach parasite that has sickened more than 800 people across the U.S. Cyclosporiasis infections were identified in 31 states with most cases concentrated in the Midwest. A gastroenterolgist from Kaiser Permanente helps us under...
Key takeaway Cyclosporiasis infections were identified in 31 states with most cases concentrated in the Midwest.
Why this matters in The San Francisco
San Francisco residents should be aware that while the majority of cyclosporiasis cases are concentrated in the Midwest, California's confirmation of reported cases means the parasite's presence is a local concern as well. Given the city's role as a major transportation hub and its diverse food scene, the risk of contamination is heightened. As the city's health officials monitor the situation, residents can take precautions by being mindful of their food and water sources, particularly when consuming fresh produce. The fact that a gastroenterologist from Kaiser Permanente is weighing in on the issue suggests that local medical professionals are taking the outbreak seriously and are prepared to provide guidance and treatment to affected individuals. San Francisco's health department will likely play a key role in tracking and responding to any potential cases in the city, making it crucial for residents to stay informed and take preventive measures.
About this story
Original reporting by KTVU FOX 2 News . The San Francisco surfaces reporting from trusted publishers and adds local editorial context so readers can quickly understand what a story means for their community. We attribute every source, link to the original report, and follow a documented editorial standards policy. To understand how stories are selected and reviewed, read our about page .
For the complete original report, visit KTVU FOX 2 News . Have a tip or correction? Contact our newsroom .
Category: local ·
Published: July 12, 2026 ·
Source: KTVU FOX 2 News ·
Reading time: 1 min
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Frequently asked about this story
What is this story about? The state of California is confirming reported cases of a foodborne stomach parasite that has sickened more than 800 people across the U.S. Cyclosporiasis infections were identified in 31 states with most cases concentrated in the Midwest. A gastroenterolgist from Kaiser Permanente helps us under...
When was this published? This article was first published on July 12, 2026 by KTVU FOX 2 News and curated for The San Francisco readers.
Who reported this story? This story was reported by KTVU FOX 2 News. To learn more about how The San Francisco selects and reviews stories, see our editorial standards .
Where can I find related coverage? See more local coverage from The San Francisco, or browse our daily briefing and topic hubs .
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