Contaminated irrigation or processing water is more likely the source of the Cyclospora outbreak. There are many systemic failures, outlined here.

The parasite found in uncooked fresh produce contaminated with human feces has sickened thousands and hospitalized hundreds all over the U.S.

Over 800 cases of cyclosporiasis have been confirmed in more than 30 US states, with health officials investigating the source.

The intestinal illness that causes explosive diarrhea is extra prominent this summer.

Foods like bagged salad mixes, berries, basil and cilantro have been linked to past cyclosporiasis outbreak. See a full list for what to know.

Infections from the diarrhea-causing parasite cyclospora are surging, with 2026 already the nation's worst year for reported cases

Centers for Disease Control and Prevention says they are scouring food supply chain for culprit, which may be lettuce

Over 3,000 people in more than 30 US states have contracted cyclosporiasis, linked to the Cyclospora parasite found in fresh produce. | Health

“You cannot thin a system, defer the tools that would speed it up, and then wonder why the public is left guessing,” writes epidemiologist Katrine Wallace.

Nearly 7,000 cases of cyclosporiasis are either confirmed or under investigation in the US - the source is still unknown.

Multiple public health experts have recommended a thorough washing — while at least one says to skip salads altogether for a time

Why fresh produce is the perfect vehicle for a parasite that needs a week to mature, and what the US outbreak tells us about its spread.

Infectious disease specialists are unsure how long the current nationwide cyclospora outbreak will last since no specific origin has been found.

Contaminated irrigation or processing water is more likely the source of the Cyclospora outbreak. There are many systemic failures, outlined here.

Cases have hit record levels, and scientists are racing to pinpoint where the Cyclospora parasite entered the food supply.

A recent outbreak of cyclosporiasis—a foodborne illness contracted from eating contaminated food, typically fresh produce—has impacted at least 34 states nationwide.

Michigan, which is where much of the outbreak is centered, has reported over 4,300 cases of cyclosporiasis, which can cause diarrhea and a low grade fever.

Produce items like lettuce have been linked to past cyclosporiasis outbreaks. Does buying at a farmers market help lower the risk?

Buying prewashed food does not guarantee safety