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First deaths reported amid cyclosporiasis outbreak

What to know about the diarrhea-causing parasite

Lettuce is displayed for sale at an H-E-B grocery store
Photo by Brandon Bell/Getty Images

PHILADELPHIA (KYW Newsradio) — Two people in Michigan have died from the diarrhea-causing parasite cyclospora, the first U.S. deaths in connection with the outbreak.

Health officials said the two people who died had “significant underlying health conditions that may have been impacted by cyclosporiasis and dehydration.” They did not disclose their specific health issues or their ages.


Health experts emphasized that such deaths are rare. These are the first deaths reported out of the 18,000 confirmed or suspected cases of cyclosporiasis throughout the country.

“It’s generally not life-threatening, but it also comes and goes. You get through it and a week later, it comes back. That’s one of the frustrating things about it,” said KYW Newsradio medical editor Dr. Brian McDonough.

He advised people with symptoms, like explosive diarrhea, to reach out to their medical provider.

“Don’t just wait on it,” McDonough said. “Tell your doctor you have the symptoms, especially if it’s making you bedridden, not feeling well, dehydrated. Don’t let it linger, especially if you have preexisting conditions, you have some underlying illness, and you’re more vulnerable.”

Health officials said the two people who died became sick before Taylor Farms recalled iceberg lettuce from central Mexico in July. The lettuce was sold in stores and distributed to restaurants.

Federal health officials expect confirmed cases to rise, even with the recall in place, because it could take up to six weeks for the CDC and state officials to determine if a sick person is connected to the outbreak.

Experts continue to encourage people to take precautions, including thoroughly washing fresh produce like lettuce, even if labeled “pre-washed.” However, washing does not guarantee that it is free of the parasite. Cooking produce at 158 degrees Fahrenheit will kill the parasite.

What to know about the diarrhea-causing parasite