The United States says more than 1,400 people have been infected by the parasitic Cyclospora illness outbreak as health officials track rising cases.
Alister F. MartinDavid KershenobichTaylor FarmsFood and Drug AdministrationNew York City Health DepartmentUS Centers for Disease Control and PreventionCenters for Disease Control and Prevention

The United States says more than 1,400 people have been infected by the parasitic Cyclospora illness outbreak as health officials track rising cases.

The United States is grappling with a Cyclospora illness outbreak, with over 1,400 confirmed infections reported. Health officials are closely monitoring the situation as cases continue to rise, with many linked to contaminated lettuce, prompting recalls and investigations into the source of the outbreak.

The New York Times The New York Times+1 source22 July 2026 · 09:19 UTC
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The United States is facing a significant outbreak of Cyclospora, with over 1,400 confirmed cases reported by health officials. The US Centers for Disease Control and Prevention (CDC) noted that 308 individuals have been hospitalized across 41 states, although no fatalities have been recorded thus far.

The CDC has also indicated that 7,400 additional cases are under review, suggesting that the total number of infections may continue to rise. Many of the confirmed cases have been linked to contaminated lettuce, prompting a recall by US firm Taylor Farms for iceberg lettuce sourced from Mexico.3

On July 17, the company issued the recall after investigations pointed to Mexican facilities as a potential source of the outbreak. However, Mexican Secretary of Health David Kershenobich has disputed these findings, asserting that there is no evidence to support that the outbreak originated in Guanajuato, where local authorities are conducting their own investigations.

The situation has been complicated by conflicting information from the US Food and Drug Administration (FDA), which initially reported a positive test for the parasite in a sample of Mexican lettuce, only to later retract the statement, labeling it a false positive after further review.4

As health officials continue to track the outbreak, the focus remains on identifying the precise source of the infections to prevent further spread and ensure public safety.

Key Insight
“The CDC reported 308 hospitalizations across 41 states with no deaths, and 7,400 suspected cases are under review. Mexican Secretary of Health David Kershenobich disputed the findings, and the FDA issued conflicting information after a positive sample was later ruled a false positive.”
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CuriousCats studied:
1
The New York TimesThe New York Times
“A fifth person has died in a Legionnaires’ disease outbreak in New York City, health officials said Tuesday night.”
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2
Al JazeeraAl Jazeera
“An outbreak of a parasitic stomach illness has infected more than 4,100 people across the United States.”
Al Jazeera →
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