local
Outbreak of diarrhea-causing parasite grows to more than 1,000 cases
By Mike Stobbe | The Associated Press at NBC Los Angeles (KNBC)
· July 8, 2026
· 5 min read
Nearly 1,000 people in Michigan have been diagnosed with a parasitic infection that can cause weeks of watery diarrhea, making it the largest such outbreak in state history and one of the nation’s largest in years.
No deaths have been reported and the source of the cyclospora infections hasn’t...
Key takeaway On Wednesday, the state reported the number had grown to 992, including about 40 hospitalizations.
Why this matters in The Los Angeles
While the current outbreak of cyclospora infections is centered in Michigan and Ohio, Los Angeles residents should be aware of the potential for similar illnesses to occur in their own community. The parasite's tendency to spread through contaminated food and water means that any area with a strong agricultural presence, like Los Angeles County, could be at risk. As the investigation into the source of the outbreak continues, local health officials will likely be on high alert for any signs of cyclospora infections in the area. Given the parasite's propensity to thrive in warm weather, the summer months could be a critical time for vigilance in Los Angeles. Residents who experience symptoms of cyclosporiasis, such as watery diarrhea and frequent bowel movements, should seek medical attention promptly to prevent complications and help track any potential outbreak.
About this story
Original reporting by NBC Los Angeles (KNBC) . The Los Angeles 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 NBC Los Angeles (KNBC) . Have a tip or correction? Contact our newsroom .
Category: local ·
Published: July 8, 2026 ·
Source: NBC Los Angeles (KNBC) ·
Reading time: 5 min
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Frequently asked about this story
What is this story about? Nearly 1,000 people in Michigan have been diagnosed with a parasitic infection that can cause weeks of watery diarrhea, making it the largest such outbreak in state history and one of the nation’s largest in years.
No deaths have been reported and the source of the cyclospora infections hasn’t...
When was this published? This article was first published on July 8, 2026 by NBC Los Angeles (KNBC) and curated for The Los Angeles readers.
Who reported this story? This story was reported by Mike Stobbe | The Associated Press at NBC Los Angeles (KNBC). To learn more about how The Los Angeles selects and reviews stories, see our editorial standards .
Where can I find related coverage? See more local coverage from The Los Angeles, or browse our daily briefing and topic hubs .
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