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The foods most likely to carry diarrhea-causing parasite cyclospora (and which are safe)
By Alix Martichoux at KRON4 (KRON-TV)
· July 14, 2026
· 1 min read
If you're unlucky enough to ingest a contaminated food, you may get stuck with weeks of watery diarrhea as well as "frequent and sometimes explosive bowel movements," according to the CDC.
Why this matters in The San Francisco
San Francisco 's diverse food scene, with its abundance of fresh produce and international cuisine, may increase the risk of exposure to cyclospora. The parasite's presence in contaminated food can have significant consequences for the city's residents, particularly those with weakened immune systems, such as the elderly and young children. Local health officials should be vigilant in monitoring food safety, especially in restaurants and markets that serve a high volume of fresh produce. The city's proximity to major agricultural hubs also means that contaminated foods can quickly enter the local food supply, making it crucial for consumers to be aware of the risks associated with certain foods. As the city's food inspection program continues to evolve, it will be important to watch how effectively it identifies and addresses potential sources of cyclospora contamination, protecting the health and well-being of San Francisco's residents.
About this story
Original reporting by KRON4 (KRON-TV) . 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 KRON4 (KRON-TV) . Have a tip or correction? Contact our newsroom .
Category: local ·
Published: July 14, 2026 ·
Source: KRON4 (KRON-TV) ·
Reading time: 1 min
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Frequently asked about this story
What is this story about? If you're unlucky enough to ingest a contaminated food, you may get stuck with weeks of watery diarrhea as well as "frequent and sometimes explosive bowel movements," according to the CDC.
When was this published? This article was first published on July 14, 2026 by KRON4 (KRON-TV) and curated for The San Francisco readers.
Who reported this story? This story was reported by Alix Martichoux at KRON4 (KRON-TV). 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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