When People Got Sick: Cyclospora Outbreak, July 2026

For Everyone

What to know

CDC, FDA, and public health officials in several states are investigating a multistate outbreak of Cyclospora infections linked to iceberg lettuce in 17 states.

When people got sick

This chart shows when 5,934 people in this multistate Cyclospora outbreak got sick, for whom data are available.

Recent illnesses may not yet be reported because it can take as long as 6 weeks to determine if a sick person is part of a Cyclospora outbreak.

The true number of sick people in this outbreak is also likely much higher than the number reported. This is because many people recover without medical care and are not tested for Cyclospora.

Content Source
National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)
About This Page
Published: July 24, 2026
Updated: August 13, 2026

This page was last updated on this date. Updates may include minor edits, image changes, or other modifications to page content.

Reviewed: August 13, 2026

The information on this page was last reviewed by subject matter experts to ensure accuracy.